Finding the Fourth Proportional to 118,069.52, 162,934.92 and 64,354.55

Step by Step Solution

1. Step 1: Write the proportion equation
   118,069.52 : 162,934.92 = 64,354.55 : x
2. Step 2: Convert to fraction form
   118,069.52/162,934.92 = 64,354.55/x
3. Step 3: Cross multiply
   118,069.52x = 162,934.92 × 64,354.55
4. Step 4: Simplify right side
   118,069.52x = 10,485,602,641.21
5. Step 5: Solve for x
   x = 10,485,602,641.21/118,069.52
6. Step 6: Final answer
   x = 88,808.72