Finding the Fourth Proportional to 90,700.62, 136,053.99 and 34,532.31

Step by Step Solution

1. Step 1: Write the proportion equation
   90,700.62 : 136,053.99 = 34,532.31 : x
2. Step 2: Convert to fraction form
   90,700.62/136,053.99 = 34,532.31/x
3. Step 3: Cross multiply
   90,700.62x = 136,053.99 × 34,532.31
4. Step 4: Simplify right side
   90,700.62x = 4,698,258,559.42
5. Step 5: Solve for x
   x = 4,698,258,559.42/90,700.62
6. Step 6: Final answer
   x = 51,799.63