Finding the Fourth Proportional to 31,047.10, 42,844.50 and 18,298.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.10 : 42,844.50 = 18,298.27 : x
2. Step 2: Convert to fraction form
   31,047.10/42,844.50 = 18,298.27/x
3. Step 3: Cross multiply
   31,047.10x = 42,844.50 × 18,298.27
4. Step 4: Simplify right side
   31,047.10x = 783,980,229.02
5. Step 5: Solve for x
   x = 783,980,229.02/31,047.10
6. Step 6: Final answer
   x = 25,251.32