Finding the Fourth Proportional to 31,047.24, 42,846.24 and 17,619.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.24 : 42,846.24 = 17,619.12 : x
2. Step 2: Convert to fraction form
   31,047.24/42,846.24 = 17,619.12/x
3. Step 3: Cross multiply
   31,047.24x = 42,846.24 × 17,619.12
4. Step 4: Simplify right side
   31,047.24x = 754,913,044.11
5. Step 5: Solve for x
   x = 754,913,044.11/31,047.24
6. Step 6: Final answer
   x = 24,314.98