Finding the Fourth Proportional to 12,824.86, 17,698.60 and 8,045.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,824.86 : 17,698.60 = 8,045.00 : x
2. Step 2: Convert to fraction form
   12,824.86/17,698.60 = 8,045.00/x
3. Step 3: Cross multiply
   12,824.86x = 17,698.60 × 8,045.00
4. Step 4: Simplify right side
   12,824.86x = 142,385,339.57
5. Step 5: Solve for x
   x = 142,385,339.57/12,824.86
6. Step 6: Final answer
   x = 11,102.29