Finding the Fourth Proportional to 4,706.38, 6,490.56 and 2,938.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,706.38 : 6,490.56 = 2,938.15 : x
2. Step 2: Convert to fraction form
   4,706.38/6,490.56 = 2,938.15/x
3. Step 3: Cross multiply
   4,706.38x = 6,490.56 × 2,938.15
4. Step 4: Simplify right side
   4,706.38x = 19,070,238.86
5. Step 5: Solve for x
   x = 19,070,238.86/4,706.38
6. Step 6: Final answer
   x = 4,052.00