Finding the Fourth Proportional to 117,844.55, 162,625.17 and 64,129.55

Step by Step Solution

1. Step 1: Write the proportion equation
   117,844.55 : 162,625.17 = 64,129.55 : x
2. Step 2: Convert to fraction form
   117,844.55/162,625.17 = 64,129.55/x
3. Step 3: Cross multiply
   117,844.55x = 162,625.17 × 64,129.55
4. Step 4: Simplify right side
   117,844.55x = 10,429,079,312.90
5. Step 5: Solve for x
   x = 10,429,079,312.90/117,844.55
6. Step 6: Final answer
   x = 88,498.61