Finding the Fourth Proportional to 117,775.27, 162,531.92 and 64,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   117,775.27 : 162,531.92 = 64,061.18 : x
2. Step 2: Convert to fraction form
   117,775.27/162,531.92 = 64,061.18/x
3. Step 3: Cross multiply
   117,775.27x = 162,531.92 × 64,061.18
4. Step 4: Simplify right side
   117,775.27x = 10,411,986,179.51
5. Step 5: Solve for x
   x = 10,411,986,179.51/117,775.27
6. Step 6: Final answer
   x = 88,405.54