Finding the Fourth Proportional to 72,130,293.72, 99,550,488.78 and 45,671,106.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,130,293.72 : 99,550,488.78 = 45,671,106.84 : x
2. Step 2: Convert to fraction form
   72,130,293.72/99,550,488.78 = 45,671,106.84/x
3. Step 3: Cross multiply
   72,130,293.72x = 99,550,488.78 × 45,671,106.84
4. Step 4: Simplify right side
   72,130,293.72x = 4,546,581,009,045,602
5. Step 5: Solve for x
   x = 4,546,581,009,045,602/72,130,293.72
6. Step 6: Final answer
   x = 63,032,891.93