Finding the Fourth Proportional to 7,872.48, 11,814.18 and 5,092.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872.48 : 11,814.18 = 5,092.23 : x
2. Step 2: Convert to fraction form
   7,872.48/11,814.18 = 5,092.23/x
3. Step 3: Cross multiply
   7,872.48x = 11,814.18 × 5,092.23
4. Step 4: Simplify right side
   7,872.48x = 60,160,521.82
5. Step 5: Solve for x
   x = 60,160,521.82/7,872.48
6. Step 6: Final answer
   x = 7,641.88