Finding the Fourth Proportional to 12,439.34, 18,658.72 and 5,041.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,439.34 : 18,658.72 = 5,041.82 : x
2. Step 2: Convert to fraction form
   12,439.34/18,658.72 = 5,041.82/x
3. Step 3: Cross multiply
   12,439.34x = 18,658.72 × 5,041.82
4. Step 4: Simplify right side
   12,439.34x = 94,073,907.67
5. Step 5: Solve for x
   x = 94,073,907.67/12,439.34
6. Step 6: Final answer
   x = 7,562.61