Finding the Fourth Proportional to 42,074.40, 58,021.20 and 32,639.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,074.40 : 58,021.20 = 32,639.52 : x
2. Step 2: Convert to fraction form
   42,074.40/58,021.20 = 32,639.52/x
3. Step 3: Cross multiply
   42,074.40x = 58,021.20 × 32,639.52
4. Step 4: Simplify right side
   42,074.40x = 1,893,784,117.82
5. Step 5: Solve for x
   x = 1,893,784,117.82/42,074.40
6. Step 6: Final answer
   x = 45,010.37