Finding the Fourth Proportional to 58,902.32, 81,318.72 and 38,817.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,902.32 : 81,318.72 = 38,817.56 : x
2. Step 2: Convert to fraction form
   58,902.32/81,318.72 = 38,817.56/x
3. Step 3: Cross multiply
   58,902.32x = 81,318.72 × 38,817.56
4. Step 4: Simplify right side
   58,902.32x = 3,156,594,292.72
5. Step 5: Solve for x
   x = 3,156,594,292.72/58,902.32
6. Step 6: Final answer
   x = 53,590.32