Finding the Fourth Proportional to 31,248.31, 43,131.72 and 17,826.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,248.31 : 43,131.72 = 17,826.88 : x
2. Step 2: Convert to fraction form
   31,248.31/43,131.72 = 17,826.88/x
3. Step 3: Cross multiply
   31,248.31x = 43,131.72 × 17,826.88
4. Step 4: Simplify right side
   31,248.31x = 768,903,996.63
5. Step 5: Solve for x
   x = 768,903,996.63/31,248.31
6. Step 6: Final answer
   x = 24,606.26