Finding the Fourth Proportional to 14,042.53, 19,379.91 and 7,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,042.53 : 19,379.91 = 7,756.12 : x
2. Step 2: Convert to fraction form
   14,042.53/19,379.91 = 7,756.12/x
3. Step 3: Cross multiply
   14,042.53x = 19,379.91 × 7,756.12
4. Step 4: Simplify right side
   14,042.53x = 150,312,917.23
5. Step 5: Solve for x
   x = 150,312,917.23/14,042.53
6. Step 6: Final answer
   x = 10,704.12