Finding the Fourth Proportional to 42,649.58, 58,824.68 and 31,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,649.58 : 58,824.68 = 31,315.52 : x
2. Step 2: Convert to fraction form
   42,649.58/58,824.68 = 31,315.52/x
3. Step 3: Cross multiply
   42,649.58x = 58,824.68 × 31,315.52
4. Step 4: Simplify right side
   42,649.58x = 1,842,125,443.03
5. Step 5: Solve for x
   x = 1,842,125,443.03/42,649.58
6. Step 6: Final answer
   x = 43,192.11