Finding the Fourth Proportional to 103,672,809.91, 143,068,472.20 and 55,988,059.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,672,809.91 : 143,068,472.20 = 55,988,059.69 : x
2. Step 2: Convert to fraction form
   103,672,809.91/143,068,472.20 = 55,988,059.69/x
3. Step 3: Cross multiply
   103,672,809.91x = 143,068,472.20 × 55,988,059.69
4. Step 4: Simplify right side
   103,672,809.91x = 8,010,126,160,715,333
5. Step 5: Solve for x
   x = 8,010,126,160,715,333/103,672,809.91
6. Step 6: Final answer
   x = 77,263,519.41