Finding the Fourth Proportional to 3,664.02, 5,056.31 and 1,985.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.02 : 5,056.31 = 1,985.39 : x
2. Step 2: Convert to fraction form
   3,664.02/5,056.31 = 1,985.39/x
3. Step 3: Cross multiply
   3,664.02x = 5,056.31 × 1,985.39
4. Step 4: Simplify right side
   3,664.02x = 10,038,712.10
5. Step 5: Solve for x
   x = 10,038,712.10/3,664.02
6. Step 6: Final answer
   x = 2,739.81