Finding the Fourth Proportional to 12,377.98, 17,077.48 and 7,343.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.98 : 17,077.48 = 7,343.79 : x
2. Step 2: Convert to fraction form
   12,377.98/17,077.48 = 7,343.79/x
3. Step 3: Cross multiply
   12,377.98x = 17,077.48 × 7,343.79
4. Step 4: Simplify right side
   12,377.98x = 125,413,426.85
5. Step 5: Solve for x
   x = 125,413,426.85/12,377.98
6. Step 6: Final answer
   x = 10,131.98