Finding the Fourth Proportional to 2,298.54, 3,448.35 and 1,421.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.54 : 3,448.35 = 1,421.31 : x
2. Step 2: Convert to fraction form
   2,298.54/3,448.35 = 1,421.31/x
3. Step 3: Cross multiply
   2,298.54x = 3,448.35 × 1,421.31
4. Step 4: Simplify right side
   2,298.54x = 4,901,174.34
5. Step 5: Solve for x
   x = 4,901,174.34/2,298.54
6. Step 6: Final answer
   x = 2,132.30