Finding the Fourth Proportional to 42,113.78, 58,114.52 and 22,989.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,113.78 : 58,114.52 = 22,989.75 : x
2. Step 2: Convert to fraction form
   42,113.78/58,114.52 = 22,989.75/x
3. Step 3: Cross multiply
   42,113.78x = 58,114.52 × 22,989.75
4. Step 4: Simplify right side
   42,113.78x = 1,336,038,171.22
5. Step 5: Solve for x
   x = 1,336,038,171.22/42,113.78
6. Step 6: Final answer
   x = 31,724.49