Finding the Fourth Proportional to 117,754.86, 162,502.50 and 64,040.46

Step by Step Solution

1. Step 1: Write the proportion equation
   117,754.86 : 162,502.50 = 64,040.46 : x
2. Step 2: Convert to fraction form
   117,754.86/162,502.50 = 64,040.46/x
3. Step 3: Cross multiply
   117,754.86x = 162,502.50 × 64,040.46
4. Step 4: Simplify right side
   117,754.86x = 10,406,734,851.15
5. Step 5: Solve for x
   x = 10,406,734,851.15/117,754.86
6. Step 6: Final answer
   x = 88,376.27