Finding the Fourth Proportional to 2,294.72, 3,166.88 and 1,363.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.72 : 3,166.88 = 1,363.20 : x
2. Step 2: Convert to fraction form
   2,294.72/3,166.88 = 1,363.20/x
3. Step 3: Cross multiply
   2,294.72x = 3,166.88 × 1,363.20
4. Step 4: Simplify right side
   2,294.72x = 4,317,090.82
5. Step 5: Solve for x
   x = 4,317,090.82/2,294.72
6. Step 6: Final answer
   x = 1,881.31