Finding the Fourth Proportional to 13,584.52, 18,748.74 and 7,618.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,584.52 : 18,748.74 = 7,618.60 : x
2. Step 2: Convert to fraction form
   13,584.52/18,748.74 = 7,618.60/x
3. Step 3: Cross multiply
   13,584.52x = 18,748.74 × 7,618.60
4. Step 4: Simplify right side
   13,584.52x = 142,839,150.56
5. Step 5: Solve for x
   x = 142,839,150.56/13,584.52
6. Step 6: Final answer
   x = 10,514.85