Finding the Fourth Proportional to 12,360.17, 17,057.31 and 7,054.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,360.17 : 17,057.31 = 7,054.88 : x
2. Step 2: Convert to fraction form
   12,360.17/17,057.31 = 7,054.88/x
3. Step 3: Cross multiply
   12,360.17x = 17,057.31 × 7,054.88
4. Step 4: Simplify right side
   12,360.17x = 120,337,275.17
5. Step 5: Solve for x
   x = 120,337,275.17/12,360.17
6. Step 6: Final answer
   x = 9,735.89