Finding the Fourth Proportional to 2,338.59, 3,506.86 and 876.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.59 : 3,506.86 = 876.72 : x
2. Step 2: Convert to fraction form
   2,338.59/3,506.86 = 876.72/x
3. Step 3: Cross multiply
   2,338.59x = 3,506.86 × 876.72
4. Step 4: Simplify right side
   2,338.59x = 3,074,534.30
5. Step 5: Solve for x
   x = 3,074,534.30/2,338.59
6. Step 6: Final answer
   x = 1,314.70