Finding the Fourth Proportional to 72,505,088.53, 108,756,567.92 and 17,917,672.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,505,088.53 : 108,756,567.92 = 17,917,672.59 : x
2. Step 2: Convert to fraction form
   72,505,088.53/108,756,567.92 = 17,917,672.59/x
3. Step 3: Cross multiply
   72,505,088.53x = 108,756,567.92 × 17,917,672.59
4. Step 4: Simplify right side
   72,505,088.53x = 1,948,664,575,414,080.50
5. Step 5: Solve for x
   x = 1,948,664,575,414,080.50/72,505,088.53
6. Step 6: Final answer
   x = 26,876,245.72