Finding the Fourth Proportional to 11,792.86, 17,679.36 and 5,124.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,792.86 : 17,679.36 = 5,124.34 : x
2. Step 2: Convert to fraction form
   11,792.86/17,679.36 = 5,124.34/x
3. Step 3: Cross multiply
   11,792.86x = 17,679.36 × 5,124.34
4. Step 4: Simplify right side
   11,792.86x = 90,595,051.62
5. Step 5: Solve for x
   x = 90,595,051.62/11,792.86
6. Step 6: Final answer
   x = 7,682.20