Finding the Fourth Proportional to 89,632.08, 123,730.53 and 63,807.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,632.08 : 123,730.53 = 63,807.30 : x
2. Step 2: Convert to fraction form
   89,632.08/123,730.53 = 63,807.30/x
3. Step 3: Cross multiply
   89,632.08x = 123,730.53 × 63,807.30
4. Step 4: Simplify right side
   89,632.08x = 7,894,911,046.87
5. Step 5: Solve for x
   x = 7,894,911,046.87/89,632.08
6. Step 6: Final answer
   x = 88,081.31