Finding the Fourth Proportional to 117,940.88, 162,753.52 and 64,225.77

Step by Step Solution

1. Step 1: Write the proportion equation
   117,940.88 : 162,753.52 = 64,225.77 : x
2. Step 2: Convert to fraction form
   117,940.88/162,753.52 = 64,225.77/x
3. Step 3: Cross multiply
   117,940.88x = 162,753.52 × 64,225.77
4. Step 4: Simplify right side
   117,940.88x = 10,452,970,142.21
5. Step 5: Solve for x
   x = 10,452,970,142.21/117,940.88
6. Step 6: Final answer
   x = 88,628.90