Finding the Fourth Proportional to 42,320.79, 58,399.47 and 23,197.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,320.79 : 58,399.47 = 23,197.50 : x
2. Step 2: Convert to fraction form
   42,320.79/58,399.47 = 23,197.50/x
3. Step 3: Cross multiply
   42,320.79x = 58,399.47 × 23,197.50
4. Step 4: Simplify right side
   42,320.79x = 1,354,721,705.33
5. Step 5: Solve for x
   x = 1,354,721,705.33/42,320.79
6. Step 6: Final answer
   x = 32,010.78