Finding the Fourth Proportional to 31,429.72, 43,374.18 and 18,852.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,429.72 : 43,374.18 = 18,852.04 : x
2. Step 2: Convert to fraction form
   31,429.72/43,374.18 = 18,852.04/x
3. Step 3: Cross multiply
   31,429.72x = 43,374.18 × 18,852.04
4. Step 4: Simplify right side
   31,429.72x = 817,691,776.33
5. Step 5: Solve for x
   x = 817,691,776.33/31,429.72
6. Step 6: Final answer
   x = 26,016.51