Finding the Fourth Proportional to 42,355.20, 58,451.20 and 23,493.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,355.20 : 58,451.20 = 23,493.12 : x
2. Step 2: Convert to fraction form
   42,355.20/58,451.20 = 23,493.12/x
3. Step 3: Cross multiply
   42,355.20x = 58,451.20 × 23,493.12
4. Step 4: Simplify right side
   42,355.20x = 1,373,201,055.74
5. Step 5: Solve for x
   x = 1,373,201,055.74/42,355.20
6. Step 6: Final answer
   x = 32,421.07