Finding the Fourth Proportional to 12,591.18, 17,374.26 and 7,554.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,591.18 : 17,374.26 = 7,554.69 : x
2. Step 2: Convert to fraction form
   12,591.18/17,374.26 = 7,554.69/x
3. Step 3: Cross multiply
   12,591.18x = 17,374.26 × 7,554.69
4. Step 4: Simplify right side
   12,591.18x = 131,257,148.28
5. Step 5: Solve for x
   x = 131,257,148.28/12,591.18
6. Step 6: Final answer
   x = 10,424.53