Finding the Fourth Proportional to 12,427.95, 17,143.29 and 7,950.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.95 : 17,143.29 = 7,950.06 : x
2. Step 2: Convert to fraction form
   12,427.95/17,143.29 = 7,950.06/x
3. Step 3: Cross multiply
   12,427.95x = 17,143.29 × 7,950.06
4. Step 4: Simplify right side
   12,427.95x = 136,290,184.10
5. Step 5: Solve for x
   x = 136,290,184.10/12,427.95
6. Step 6: Final answer
   x = 10,966.43