Finding the Fourth Proportional to 14,131.72, 19,501.73 and 7,758.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.72 : 19,501.73 = 7,758.15 : x
2. Step 2: Convert to fraction form
   14,131.72/19,501.73 = 7,758.15/x
3. Step 3: Cross multiply
   14,131.72x = 19,501.73 × 7,758.15
4. Step 4: Simplify right side
   14,131.72x = 151,297,356.56
5. Step 5: Solve for x
   x = 151,297,356.56/14,131.72
6. Step 6: Final answer
   x = 10,706.22