Finding the Fourth Proportional to 42,432.59, 58,558.06 and 23,312.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,432.59 : 58,558.06 = 23,312.85 : x
2. Step 2: Convert to fraction form
   42,432.59/58,558.06 = 23,312.85/x
3. Step 3: Cross multiply
   42,432.59x = 58,558.06 × 23,312.85
4. Step 4: Simplify right side
   42,432.59x = 1,365,155,288.40
5. Step 5: Solve for x
   x = 1,365,155,288.40/42,432.59
6. Step 6: Final answer
   x = 32,172.33