Finding the Fourth Proportional to 2,298.72, 3,172.02 and 1,303.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.72 : 3,172.02 = 1,303.94 : x
2. Step 2: Convert to fraction form
   2,298.72/3,172.02 = 1,303.94/x
3. Step 3: Cross multiply
   2,298.72x = 3,172.02 × 1,303.94
4. Step 4: Simplify right side
   2,298.72x = 4,136,123.76
5. Step 5: Solve for x
   x = 4,136,123.76/2,298.72
6. Step 6: Final answer
   x = 1,799.32