Finding the Fourth Proportional to 2,298.62, 3,172.25 and 1,303.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.62 : 3,172.25 = 1,303.91 : x
2. Step 2: Convert to fraction form
   2,298.62/3,172.25 = 1,303.91/x
3. Step 3: Cross multiply
   2,298.62x = 3,172.25 × 1,303.91
4. Step 4: Simplify right side
   2,298.62x = 4,136,315.90
5. Step 5: Solve for x
   x = 4,136,315.90/2,298.62
6. Step 6: Final answer
   x = 1,799.48