Finding the Fourth Proportional to 117,655.30, 162,365.57 and 63,940.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,655.30 : 162,365.57 = 63,940.31 : x
2. Step 2: Convert to fraction form
   117,655.30/162,365.57 = 63,940.31/x
3. Step 3: Cross multiply
   117,655.30x = 162,365.57 × 63,940.31
4. Step 4: Simplify right side
   117,655.30x = 10,381,704,965.34
5. Step 5: Solve for x
   x = 10,381,704,965.34/117,655.30
6. Step 6: Final answer
   x = 88,238.31