Finding the Fourth Proportional to 9,117.42, 12,573.66 and 5,754.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117.42 : 12,573.66 = 5,754.43 : x
2. Step 2: Convert to fraction form
   9,117.42/12,573.66 = 5,754.43/x
3. Step 3: Cross multiply
   9,117.42x = 12,573.66 × 5,754.43
4. Step 4: Simplify right side
   9,117.42x = 72,354,246.31
5. Step 5: Solve for x
   x = 72,354,246.31/9,117.42
6. Step 6: Final answer
   x = 7,935.82