Finding the Fourth Proportional to 14,323.30, 21,492.78 and 5,558.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,323.30 : 21,492.78 = 5,558.56 : x
2. Step 2: Convert to fraction form
   14,323.30/21,492.78 = 5,558.56/x
3. Step 3: Cross multiply
   14,323.30x = 21,492.78 × 5,558.56
4. Step 4: Simplify right side
   14,323.30x = 119,468,907.20
5. Step 5: Solve for x
   x = 119,468,907.20/14,323.30
6. Step 6: Final answer
   x = 8,340.88