Finding the Fourth Proportional to 42,294.50, 58,368.86 and 23,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,294.50 : 58,368.86 = 23,174.31 : x
2. Step 2: Convert to fraction form
   42,294.50/58,368.86 = 23,174.31/x
3. Step 3: Cross multiply
   42,294.50x = 58,368.86 × 23,174.31
4. Step 4: Simplify right side
   42,294.50x = 1,352,658,055.99
5. Step 5: Solve for x
   x = 1,352,658,055.99/42,294.50
6. Step 6: Final answer
   x = 31,981.89