Finding the Fourth Proportional to 42,648.58, 58,823.31 and 31,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648.58 : 58,823.31 = 31,314.52 : x
2. Step 2: Convert to fraction form
   42,648.58/58,823.31 = 31,314.52/x
3. Step 3: Cross multiply
   42,648.58x = 58,823.31 × 31,314.52
4. Step 4: Simplify right side
   42,648.58x = 1,842,023,717.46
5. Step 5: Solve for x
   x = 1,842,023,717.46/42,648.58
6. Step 6: Final answer
   x = 43,190.74