Finding the Fourth Proportional to 31,677, 43,713.68 and 18,248.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,677 : 43,713.68 = 18,248.18 : x
2. Step 2: Convert to fraction form
   31,677/43,713.68 = 18,248.18/x
3. Step 3: Cross multiply
   31,677x = 43,713.68 × 18,248.18
4. Step 4: Simplify right side
   31,677x = 797,695,101.10
5. Step 5: Solve for x
   x = 797,695,101.10/31,677
6. Step 6: Final answer
   x = 25,182.15