Finding the Fourth Proportional to 42,092.78, 58,086.20 and 22,972.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,092.78 : 58,086.20 = 22,972.06 : x
2. Step 2: Convert to fraction form
   42,092.78/58,086.20 = 22,972.06/x
3. Step 3: Cross multiply
   42,092.78x = 58,086.20 × 22,972.06
4. Step 4: Simplify right side
   42,092.78x = 1,334,359,671.57
5. Step 5: Solve for x
   x = 1,334,359,671.57/42,092.78
6. Step 6: Final answer
   x = 31,700.44