Finding the Fourth Proportional to 2,316.10, 3,475.82 and 910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.10 : 3,475.82 = 910.72 : x
2. Step 2: Convert to fraction form
   2,316.10/3,475.82 = 910.72/x
3. Step 3: Cross multiply
   2,316.10x = 3,475.82 × 910.72
4. Step 4: Simplify right side
   2,316.10x = 3,165,498.79
5. Step 5: Solve for x
   x = 3,165,498.79/2,316.10
6. Step 6: Final answer
   x = 1,366.74