Finding the Fourth Proportional to 31,037.76, 42,818.91 and 18,462.51

Step by Step Solution

1. Step 1: Write the proportion equation
   31,037.76 : 42,818.91 = 18,462.51 : x
2. Step 2: Convert to fraction form
   31,037.76/42,818.91 = 18,462.51/x
3. Step 3: Cross multiply
   31,037.76x = 42,818.91 × 18,462.51
4. Step 4: Simplify right side
   31,037.76x = 790,544,554.06
5. Step 5: Solve for x
   x = 790,544,554.06/31,037.76
6. Step 6: Final answer
   x = 25,470.41