Finding the Fourth Proportional to 117,414.31, 162,031.80 and 63,699.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,414.31 : 162,031.80 = 63,699.31 : x
2. Step 2: Convert to fraction form
   117,414.31/162,031.80 = 63,699.31/x
3. Step 3: Cross multiply
   117,414.31x = 162,031.80 × 63,699.31
4. Step 4: Simplify right side
   117,414.31x = 10,321,314,017.31
5. Step 5: Solve for x
   x = 10,321,314,017.31/117,414.31
6. Step 6: Final answer
   x = 87,905.08