Finding the Fourth Proportional to 14,131.69, 19,501.98 and 7,758.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.69 : 19,501.98 = 7,758.88 : x
2. Step 2: Convert to fraction form
   14,131.69/19,501.98 = 7,758.88/x
3. Step 3: Cross multiply
   14,131.69x = 19,501.98 × 7,758.88
4. Step 4: Simplify right side
   14,131.69x = 151,313,444.73
5. Step 5: Solve for x
   x = 151,313,444.73/14,131.69
6. Step 6: Final answer
   x = 10,707.39