Finding the Fourth Proportional to 2,298.51, 3,445.88 and 2,169.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.51 : 3,445.88 = 2,169.72 : x
2. Step 2: Convert to fraction form
   2,298.51/3,445.88 = 2,169.72/x
3. Step 3: Cross multiply
   2,298.51x = 3,445.88 × 2,169.72
4. Step 4: Simplify right side
   2,298.51x = 7,476,583.91
5. Step 5: Solve for x
   x = 7,476,583.91/2,298.51
6. Step 6: Final answer
   x = 3,252.80