Finding the Fourth Proportional to 2,298.96, 3,172.50 and 1,354.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.96 : 3,172.50 = 1,354.77 : x
2. Step 2: Convert to fraction form
   2,298.96/3,172.50 = 1,354.77/x
3. Step 3: Cross multiply
   2,298.96x = 3,172.50 × 1,354.77
4. Step 4: Simplify right side
   2,298.96x = 4,298,007.83
5. Step 5: Solve for x
   x = 4,298,007.83/2,298.96
6. Step 6: Final answer
   x = 1,869.54