Finding the Fourth Proportional to 31,401.52, 43,336.88 and 17,970.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,401.52 : 43,336.88 = 17,970.10 : x
2. Step 2: Convert to fraction form
   31,401.52/43,336.88 = 17,970.10/x
3. Step 3: Cross multiply
   31,401.52x = 43,336.88 × 17,970.10
4. Step 4: Simplify right side
   31,401.52x = 778,768,067.29
5. Step 5: Solve for x
   x = 778,768,067.29/31,401.52
6. Step 6: Final answer
   x = 24,800.33