Finding the Fourth Proportional to 42,285.88, 58,354.52 and 23,166.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,285.88 : 58,354.52 = 23,166.34 : x
2. Step 2: Convert to fraction form
   42,285.88/58,354.52 = 23,166.34/x
3. Step 3: Cross multiply
   42,285.88x = 58,354.52 × 23,166.34
4. Step 4: Simplify right side
   42,285.88x = 1,351,860,359.08
5. Step 5: Solve for x
   x = 1,351,860,359.08/42,285.88
6. Step 6: Final answer
   x = 31,969.55