Finding the Fourth Proportional to 118,280.52, 163,224.72 and 64,565.37

Step by Step Solution

1. Step 1: Write the proportion equation
   118,280.52 : 163,224.72 = 64,565.37 : x
2. Step 2: Convert to fraction form
   118,280.52/163,224.72 = 64,565.37/x
3. Step 3: Cross multiply
   118,280.52x = 163,224.72 × 64,565.37
4. Step 4: Simplify right side
   118,280.52x = 10,538,664,439.95
5. Step 5: Solve for x
   x = 10,538,664,439.95/118,280.52
6. Step 6: Final answer
   x = 89,098.90