Finding the Fourth Proportional to 12,585.18, 17,366.31 and 7,548.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585.18 : 17,366.31 = 7,548.51 : x
2. Step 2: Convert to fraction form
   12,585.18/17,366.31 = 7,548.51/x
3. Step 3: Cross multiply
   12,585.18x = 17,366.31 × 7,548.51
4. Step 4: Simplify right side
   12,585.18x = 131,089,764.70
5. Step 5: Solve for x
   x = 131,089,764.70/12,585.18
6. Step 6: Final answer
   x = 10,416.20