Finding the Fourth Proportional to 117,839.96, 162,618.84 and 64,124.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,839.96 : 162,618.84 = 64,124.96 : x
2. Step 2: Convert to fraction form
   117,839.96/162,618.84 = 64,124.96/x
3. Step 3: Cross multiply
   117,839.96x = 162,618.84 × 64,124.96
4. Step 4: Simplify right side
   117,839.96x = 10,427,925,797.15
5. Step 5: Solve for x
   x = 10,427,925,797.15/117,839.96
6. Step 6: Final answer
   x = 88,492.28