Finding the Fourth Proportional to 117,862.76, 162,654.59 and 64,149.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,862.76 : 162,654.59 = 64,149.72 : x
2. Step 2: Convert to fraction form
   117,862.76/162,654.59 = 64,149.72/x
3. Step 3: Cross multiply
   117,862.76x = 162,654.59 × 64,149.72
4. Step 4: Simplify right side
   117,862.76x = 10,434,246,565.59
5. Step 5: Solve for x
   x = 10,434,246,565.59/117,862.76
6. Step 6: Final answer
   x = 88,528.79