Finding the Fourth Proportional to 72,617,269.05, 108,941,839.50 and 21,503,259.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72,617,269.05 : 108,941,839.50 = 21,503,259.09 : x
2. Step 2: Convert to fraction form
   72,617,269.05/108,941,839.50 = 21,503,259.09/x
3. Step 3: Cross multiply
   72,617,269.05x = 108,941,839.50 × 21,503,259.09
4. Step 4: Simplify right side
   72,617,269.05x = 2,342,604,600,509,696
5. Step 5: Solve for x
   x = 2,342,604,600,509,696/72,617,269.05
6. Step 6: Final answer
   x = 32,259,607.54