Finding the Fourth Proportional to 17,870.52, 26,794.98 and 8,513.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.52 : 26,794.98 = 8,513.40 : x
2. Step 2: Convert to fraction form
   17,870.52/26,794.98 = 8,513.40/x
3. Step 3: Cross multiply
   17,870.52x = 26,794.98 × 8,513.40
4. Step 4: Simplify right side
   17,870.52x = 228,116,382.73
5. Step 5: Solve for x
   x = 228,116,382.73/17,870.52
6. Step 6: Final answer
   x = 12,764.95