Finding the Fourth Proportional to 117,255.17, 161,811.72 and 63,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,255.17 : 161,811.72 = 63,541.50 : x
2. Step 2: Convert to fraction form
   117,255.17/161,811.72 = 63,541.50/x
3. Step 3: Cross multiply
   117,255.17x = 161,811.72 × 63,541.50
4. Step 4: Simplify right side
   117,255.17x = 10,281,759,406.38
5. Step 5: Solve for x
   x = 10,281,759,406.38/117,255.17
6. Step 6: Final answer
   x = 87,687.05