Finding the Fourth Proportional to 2,901.06, 4,350.15 and 1,668.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,901.06 : 4,350.15 = 1,668.15 : x
2. Step 2: Convert to fraction form
   2,901.06/4,350.15 = 1,668.15/x
3. Step 3: Cross multiply
   2,901.06x = 4,350.15 × 1,668.15
4. Step 4: Simplify right side
   2,901.06x = 7,256,702.72
5. Step 5: Solve for x
   x = 7,256,702.72/2,901.06
6. Step 6: Final answer
   x = 2,501.40