Finding the Fourth Proportional to 14,048.91, 19,387.12 and 7,761.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,048.91 : 19,387.12 = 7,761.15 : x
2. Step 2: Convert to fraction form
   14,048.91/19,387.12 = 7,761.15/x
3. Step 3: Cross multiply
   14,048.91x = 19,387.12 × 7,761.15
4. Step 4: Simplify right side
   14,048.91x = 150,466,346.39
5. Step 5: Solve for x
   x = 150,466,346.39/14,048.91
6. Step 6: Final answer
   x = 10,710.18