Finding the Fourth Proportional to 2,298.47, 3,164.10 and 2,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.47 : 3,164.10 = 2,076.72 : x
2. Step 2: Convert to fraction form
   2,298.47/3,164.10 = 2,076.72/x
3. Step 3: Cross multiply
   2,298.47x = 3,164.10 × 2,076.72
4. Step 4: Simplify right side
   2,298.47x = 6,570,949.75
5. Step 5: Solve for x
   x = 6,570,949.75/2,298.47
6. Step 6: Final answer
   x = 2,858.84