Finding the Fourth Proportional to 13,952.52, 19,254.15 and 7,578.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,952.52 : 19,254.15 = 7,578.96 : x
2. Step 2: Convert to fraction form
   13,952.52/19,254.15 = 7,578.96/x
3. Step 3: Cross multiply
   13,952.52x = 19,254.15 × 7,578.96
4. Step 4: Simplify right side
   13,952.52x = 145,926,499.54
5. Step 5: Solve for x
   x = 145,926,499.54/13,952.52
6. Step 6: Final answer
   x = 10,458.80