Finding the Fourth Proportional to 42,426.92, 58,510.03 and 28,835.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,426.92 : 58,510.03 = 28,835.32 : x
2. Step 2: Convert to fraction form
   42,426.92/58,510.03 = 28,835.32/x
3. Step 3: Cross multiply
   42,426.92x = 58,510.03 × 28,835.32
4. Step 4: Simplify right side
   42,426.92x = 1,687,155,294.08
5. Step 5: Solve for x
   x = 1,687,155,294.08/42,426.92
6. Step 6: Final answer
   x = 39,766.15