Finding the Fourth Proportional to 2,897.20, 4,345.98 and 1,165.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.20 : 4,345.98 = 1,165.82 : x
2. Step 2: Convert to fraction form
   2,897.20/4,345.98 = 1,165.82/x
3. Step 3: Cross multiply
   2,897.20x = 4,345.98 × 1,165.82
4. Step 4: Simplify right side
   2,897.20x = 5,066,630.40
5. Step 5: Solve for x
   x = 5,066,630.40/2,897.20
6. Step 6: Final answer
   x = 1,748.80