Finding the Fourth Proportional to 17,802.50, 26,703.61 and 5,322.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,802.50 : 26,703.61 = 5,322.15 : x
2. Step 2: Convert to fraction form
   17,802.50/26,703.61 = 5,322.15/x
3. Step 3: Cross multiply
   17,802.50x = 26,703.61 × 5,322.15
4. Step 4: Simplify right side
   17,802.50x = 142,120,604.66
5. Step 5: Solve for x
   x = 142,120,604.66/17,802.50
6. Step 6: Final answer
   x = 7,983.18