Finding the Fourth Proportional to 2,338.17, 3,505.10 and 876.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.17 : 3,505.10 = 876.20 : x
2. Step 2: Convert to fraction form
   2,338.17/3,505.10 = 876.20/x
3. Step 3: Cross multiply
   2,338.17x = 3,505.10 × 876.20
4. Step 4: Simplify right side
   2,338.17x = 3,071,146.71
5. Step 5: Solve for x
   x = 3,071,146.71/2,338.17
6. Step 6: Final answer
   x = 1,313.48