Finding the Fourth Proportional to 13,003.40, 17,941.56 and 7,699.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.40 : 17,941.56 = 7,699.52 : x
2. Step 2: Convert to fraction form
   13,003.40/17,941.56 = 7,699.52/x
3. Step 3: Cross multiply
   13,003.40x = 17,941.56 × 7,699.52
4. Step 4: Simplify right side
   13,003.40x = 138,141,400.05
5. Step 5: Solve for x
   x = 138,141,400.05/13,003.40
6. Step 6: Final answer
   x = 10,623.48