Finding the Fourth Proportional to 72,664,160,806.09, 108,995,783,840.61 and 39,103,591,907.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,664,160,806.09 : 108,995,783,840.61 = 39,103,591,907.80 : x
2. Step 2: Convert to fraction form
   72,664,160,806.09/108,995,783,840.61 = 39,103,591,907.80/x
3. Step 3: Cross multiply
   72,664,160,806.09x = 108,995,783,840.61 × 39,103,591,907.80
4. Step 4: Simplify right side
   72,664,160,806.09x = 4,262,126,650,973,995,663,360
5. Step 5: Solve for x
   x = 4,262,126,650,973,995,663,360/72,664,160,806.09
6. Step 6: Final answer
   x = 58,655,141,732.77