Finding the Fourth Proportional to 2,898.32, 4,343.64 and 1,165.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,898.32 : 4,343.64 = 1,165.20 : x
2. Step 2: Convert to fraction form
   2,898.32/4,343.64 = 1,165.20/x
3. Step 3: Cross multiply
   2,898.32x = 4,343.64 × 1,165.20
4. Step 4: Simplify right side
   2,898.32x = 5,061,209.33
5. Step 5: Solve for x
   x = 5,061,209.33/2,898.32
6. Step 6: Final answer
   x = 1,746.26