Finding the Fourth Proportional to 8,323.86, 11,490.64 and 5,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.86 : 11,490.64 = 5,492.72 : x
2. Step 2: Convert to fraction form
   8,323.86/11,490.64 = 5,492.72/x
3. Step 3: Cross multiply
   8,323.86x = 11,490.64 × 5,492.72
4. Step 4: Simplify right side
   8,323.86x = 63,114,868.14
5. Step 5: Solve for x
   x = 63,114,868.14/8,323.86
6. Step 6: Final answer
   x = 7,582.40