Finding the Fourth Proportional to 12,142.19, 18,200.52 and 5,562.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142.19 : 18,200.52 = 5,562.96 : x
2. Step 2: Convert to fraction form
   12,142.19/18,200.52 = 5,562.96/x
3. Step 3: Cross multiply
   12,142.19x = 18,200.52 × 5,562.96
4. Step 4: Simplify right side
   12,142.19x = 101,248,736.92
5. Step 5: Solve for x
   x = 101,248,736.92/12,142.19
6. Step 6: Final answer
   x = 8,338.59