Finding the Fourth Proportional to 42,312.73, 58,391.20 and 23,193.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,312.73 : 58,391.20 = 23,193.57 : x
2. Step 2: Convert to fraction form
   42,312.73/58,391.20 = 23,193.57/x
3. Step 3: Cross multiply
   42,312.73x = 58,391.20 × 23,193.57
4. Step 4: Simplify right side
   42,312.73x = 1,354,300,384.58
5. Step 5: Solve for x
   x = 1,354,300,384.58/42,312.73
6. Step 6: Final answer
   x = 32,006.93