Finding the Fourth Proportional to 12,463.95, 17,200.80 and 7,160.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.95 : 17,200.80 = 7,160.43 : x
2. Step 2: Convert to fraction form
   12,463.95/17,200.80 = 7,160.43/x
3. Step 3: Cross multiply
   12,463.95x = 17,200.80 × 7,160.43
4. Step 4: Simplify right side
   12,463.95x = 123,165,124.34
5. Step 5: Solve for x
   x = 123,165,124.34/12,463.95
6. Step 6: Final answer
   x = 9,881.71