Finding the Fourth Proportional to 13,853.74, 19,118.17 and 7,566.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,853.74 : 19,118.17 = 7,566.12 : x
2. Step 2: Convert to fraction form
   13,853.74/19,118.17 = 7,566.12/x
3. Step 3: Cross multiply
   13,853.74x = 19,118.17 × 7,566.12
4. Step 4: Simplify right side
   13,853.74x = 144,650,281.53
5. Step 5: Solve for x
   x = 144,650,281.53/13,853.74
6. Step 6: Final answer
   x = 10,441.24