Finding the Fourth Proportional to 118,803.72, 163,949.04 and 65,092.08

Step by Step Solution

1. Step 1: Write the proportion equation
   118,803.72 : 163,949.04 = 65,092.08 : x
2. Step 2: Convert to fraction form
   118,803.72/163,949.04 = 65,092.08/x
3. Step 3: Cross multiply
   118,803.72x = 163,949.04 × 65,092.08
4. Step 4: Simplify right side
   118,803.72x = 10,671,784,027.60
5. Step 5: Solve for x
   x = 10,671,784,027.60/118,803.72
6. Step 6: Final answer
   x = 89,827.02