Finding the Fourth Proportional to 12,841.07, 17,720.27 and 7,535.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,841.07 : 17,720.27 = 7,535.77 : x
2. Step 2: Convert to fraction form
   12,841.07/17,720.27 = 7,535.77/x
3. Step 3: Cross multiply
   12,841.07x = 17,720.27 × 7,535.77
4. Step 4: Simplify right side
   12,841.07x = 133,535,825.34
5. Step 5: Solve for x
   x = 133,535,825.34/12,841.07
6. Step 6: Final answer
   x = 10,399.12