Finding the Fourth Proportional to 12,471.45, 17,211.15 and 7,167.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,471.45 : 17,211.15 = 7,167.93 : x
2. Step 2: Convert to fraction form
   12,471.45/17,211.15 = 7,167.93/x
3. Step 3: Cross multiply
   12,471.45x = 17,211.15 × 7,167.93
4. Step 4: Simplify right side
   12,471.45x = 123,368,318.42
5. Step 5: Solve for x
   x = 123,368,318.42/12,471.45
6. Step 6: Final answer
   x = 9,892.06