Finding the Fourth Proportional to 13,251.33, 18,284.87 and 7,585.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,251.33 : 18,284.87 = 7,585.18 : x
2. Step 2: Convert to fraction form
   13,251.33/18,284.87 = 7,585.18/x
3. Step 3: Cross multiply
   13,251.33x = 18,284.87 × 7,585.18
4. Step 4: Simplify right side
   13,251.33x = 138,694,003.48
5. Step 5: Solve for x
   x = 138,694,003.48/13,251.33
6. Step 6: Final answer
   x = 10,466.42