Finding the Fourth Proportional to 31,825.88, 43,927.61 and 18,404.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,825.88 : 43,927.61 = 18,404.93 : x
2. Step 2: Convert to fraction form
   31,825.88/43,927.61 = 18,404.93/x
3. Step 3: Cross multiply
   31,825.88x = 43,927.61 × 18,404.93
4. Step 4: Simplify right side
   31,825.88x = 808,484,275.45
5. Step 5: Solve for x
   x = 808,484,275.45/31,825.88
6. Step 6: Final answer
   x = 25,403.36