Finding the Fourth Proportional to 12,426.84, 18,658.71 and 5,045.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.84 : 18,658.71 = 5,045.76 : x
2. Step 2: Convert to fraction form
   12,426.84/18,658.71 = 5,045.76/x
3. Step 3: Cross multiply
   12,426.84x = 18,658.71 × 5,045.76
4. Step 4: Simplify right side
   12,426.84x = 94,147,372.57
5. Step 5: Solve for x
   x = 94,147,372.57/12,426.84
6. Step 6: Final answer
   x = 7,576.13