Finding the Fourth Proportional to 162,377.96, 243,597.18 and 57,263.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,377.96 : 243,597.18 = 57,263.72 : x
2. Step 2: Convert to fraction form
   162,377.96/243,597.18 = 57,263.72/x
3. Step 3: Cross multiply
   162,377.96x = 243,597.18 × 57,263.72
4. Step 4: Simplify right side
   162,377.96x = 13,949,280,708.31
5. Step 5: Solve for x
   x = 13,949,280,708.31/162,377.96
6. Step 6: Final answer
   x = 85,906.24