Finding the Fourth Proportional to 12,903.99, 17,803.29 and 7,525.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,903.99 : 17,803.29 = 7,525.20 : x
2. Step 2: Convert to fraction form
   12,903.99/17,803.29 = 7,525.20/x
3. Step 3: Cross multiply
   12,903.99x = 17,803.29 × 7,525.20
4. Step 4: Simplify right side
   12,903.99x = 133,973,412.89
5. Step 5: Solve for x
   x = 133,973,412.89/12,903.99
6. Step 6: Final answer
   x = 10,382.33