Finding the Fourth Proportional to 4,985.83, 7,477.83 and 1,865.51

Step by Step Solution

1. Step 1: Write the proportion equation
   4,985.83 : 7,477.83 = 1,865.51 : x
2. Step 2: Convert to fraction form
   4,985.83/7,477.83 = 1,865.51/x
3. Step 3: Cross multiply
   4,985.83x = 7,477.83 × 1,865.51
4. Step 4: Simplify right side
   4,985.83x = 13,949,929.25
5. Step 5: Solve for x
   x = 13,949,929.25/4,985.83
6. Step 6: Final answer
   x = 2,797.92