Finding the Fourth Proportional to 10,003.52, 15,009.69 and 5,322.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.52 : 15,009.69 = 5,322.43 : x
2. Step 2: Convert to fraction form
   10,003.52/15,009.69 = 5,322.43/x
3. Step 3: Cross multiply
   10,003.52x = 15,009.69 × 5,322.43
4. Step 4: Simplify right side
   10,003.52x = 79,887,948.70
5. Step 5: Solve for x
   x = 79,887,948.70/10,003.52
6. Step 6: Final answer
   x = 7,985.99