Finding the Fourth Proportional to 8,698.86, 13,045.59 and 2,854.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,698.86 : 13,045.59 = 2,854.17 : x
2. Step 2: Convert to fraction form
   8,698.86/13,045.59 = 2,854.17/x
3. Step 3: Cross multiply
   8,698.86x = 13,045.59 × 2,854.17
4. Step 4: Simplify right side
   8,698.86x = 37,234,331.61
5. Step 5: Solve for x
   x = 37,234,331.61/8,698.86
6. Step 6: Final answer
   x = 4,280.37