Finding the Fourth Proportional to 12,703.52, 17,530.54 and 7,399.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,703.52 : 17,530.54 = 7,399.37 : x
2. Step 2: Convert to fraction form
   12,703.52/17,530.54 = 7,399.37/x
3. Step 3: Cross multiply
   12,703.52x = 17,530.54 × 7,399.37
4. Step 4: Simplify right side
   12,703.52x = 129,714,845.61
5. Step 5: Solve for x
   x = 129,714,845.61/12,703.52
6. Step 6: Final answer
   x = 10,210.94