Finding the Fourth Proportional to 17,870.50, 26,788.32 and 8,508.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.50 : 26,788.32 = 8,508.00 : x
2. Step 2: Convert to fraction form
   17,870.50/26,788.32 = 8,508.00/x
3. Step 3: Cross multiply
   17,870.50x = 26,788.32 × 8,508.00
4. Step 4: Simplify right side
   17,870.50x = 227,915,014.00
5. Step 5: Solve for x
   x = 227,915,014.00/17,870.50
6. Step 6: Final answer
   x = 12,753.70