Finding the Fourth Proportional to 3,068.52, 4,601.40 and 876.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.52 : 4,601.40 = 876.72 : x
2. Step 2: Convert to fraction form
   3,068.52/4,601.40 = 876.72/x
3. Step 3: Cross multiply
   3,068.52x = 4,601.40 × 876.72
4. Step 4: Simplify right side
   3,068.52x = 4,034,139.41
5. Step 5: Solve for x
   x = 4,034,139.41/3,068.52
6. Step 6: Final answer
   x = 1,314.69