Finding the Fourth Proportional to 162,520.69, 243,737.35 and 57,325.81

Step by Step Solution

1. Step 1: Write the proportion equation
   162,520.69 : 243,737.35 = 57,325.81 : x
2. Step 2: Convert to fraction form
   162,520.69/243,737.35 = 57,325.81/x
3. Step 3: Cross multiply
   162,520.69x = 243,737.35 × 57,325.81
4. Step 4: Simplify right side
   162,520.69x = 13,972,441,016.00
5. Step 5: Solve for x
   x = 13,972,441,016.00/162,520.69
6. Step 6: Final answer
   x = 85,973.31