Finding the Fourth Proportional to 90,207,304.74, 124,421,760.54 and 82,788,869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   90,207,304.74 : 124,421,760.54 = 82,788,869.52 : x
2. Step 2: Convert to fraction form
   90,207,304.74/124,421,760.54 = 82,788,869.52/x
3. Step 3: Cross multiply
   90,207,304.74x = 124,421,760.54 × 82,788,869.52
4. Step 4: Simplify right side
   90,207,304.74x = 10,300,736,898,794,744
5. Step 5: Solve for x
   x = 10,300,736,898,794,744/90,207,304.74
6. Step 6: Final answer
   x = 114,189,609.46