Finding the Fourth Proportional to 12,372.27, 17,071.32 and 7,335.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,372.27 : 17,071.32 = 7,335.55 : x
2. Step 2: Convert to fraction form
   12,372.27/17,071.32 = 7,335.55/x
3. Step 3: Cross multiply
   12,372.27x = 17,071.32 × 7,335.55
4. Step 4: Simplify right side
   12,372.27x = 125,227,521.43
5. Step 5: Solve for x
   x = 125,227,521.43/12,372.27
6. Step 6: Final answer
   x = 10,121.63