Finding the Fourth Proportional to 42,043.42, 58,024.02 and 31,414.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,043.42 : 58,024.02 = 31,414.60 : x
2. Step 2: Convert to fraction form
   42,043.42/58,024.02 = 31,414.60/x
3. Step 3: Cross multiply
   42,043.42x = 58,024.02 × 31,414.60
4. Step 4: Simplify right side
   42,043.42x = 1,822,801,378.69
5. Step 5: Solve for x
   x = 1,822,801,378.69/42,043.42
6. Step 6: Final answer
   x = 43,355.21