Finding the Fourth Proportional to 117,475.68, 162,111.60 and 63,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,475.68 : 162,111.60 = 63,758.72 : x
2. Step 2: Convert to fraction form
   117,475.68/162,111.60 = 63,758.72/x
3. Step 3: Cross multiply
   117,475.68x = 162,111.60 × 63,758.72
4. Step 4: Simplify right side
   117,475.68x = 10,336,028,113.15
5. Step 5: Solve for x
   x = 10,336,028,113.15/117,475.68
6. Step 6: Final answer
   x = 87,984.41