Finding the Fourth Proportional to 12,719.88, 17,552.82 and 7,054.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.88 : 17,552.82 = 7,054.18 : x
2. Step 2: Convert to fraction form
   12,719.88/17,552.82 = 7,054.18/x
3. Step 3: Cross multiply
   12,719.88x = 17,552.82 × 7,054.18
4. Step 4: Simplify right side
   12,719.88x = 123,820,628.75
5. Step 5: Solve for x
   x = 123,820,628.75/12,719.88
6. Step 6: Final answer
   x = 9,734.42