Finding the Fourth Proportional to 14,147.76, 19,524.52 and 7,860.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,147.76 : 19,524.52 = 7,860.12 : x
2. Step 2: Convert to fraction form
   14,147.76/19,524.52 = 7,860.12/x
3. Step 3: Cross multiply
   14,147.76x = 19,524.52 × 7,860.12
4. Step 4: Simplify right side
   14,147.76x = 153,465,070.14
5. Step 5: Solve for x
   x = 153,465,070.14/14,147.76
6. Step 6: Final answer
   x = 10,847.31