Finding the Fourth Proportional to 42,432.80, 58,553.72 and 23,312

Step by Step Solution

1. Step 1: Write the proportion equation
   42,432.80 : 58,553.72 = 23,312 : x
2. Step 2: Convert to fraction form
   42,432.80/58,553.72 = 23,312/x
3. Step 3: Cross multiply
   42,432.80x = 58,553.72 × 23,312
4. Step 4: Simplify right side
   42,432.80x = 1,365,004,320.64
5. Step 5: Solve for x
   x = 1,365,004,320.64/42,432.80
6. Step 6: Final answer
   x = 32,168.61