Finding the Fourth Proportional to 12,415.46, 17,132.84 and 7,110.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,415.46 : 17,132.84 = 7,110.78 : x
2. Step 2: Convert to fraction form
   12,415.46/17,132.84 = 7,110.78/x
3. Step 3: Cross multiply
   12,415.46x = 17,132.84 × 7,110.78
4. Step 4: Simplify right side
   12,415.46x = 121,827,856.02
5. Step 5: Solve for x
   x = 121,827,856.02/12,415.46
6. Step 6: Final answer
   x = 9,812.59