Finding the Fourth Proportional to 3,483.24, 4,807.02 and 2,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.24 : 4,807.02 = 2,085.72 : x
2. Step 2: Convert to fraction form
   3,483.24/4,807.02 = 2,085.72/x
3. Step 3: Cross multiply
   3,483.24x = 4,807.02 × 2,085.72
4. Step 4: Simplify right side
   3,483.24x = 10,026,097.75
5. Step 5: Solve for x
   x = 10,026,097.75/3,483.24
6. Step 6: Final answer
   x = 2,878.38