Finding the Fourth Proportional to 1,985.16, 2,740.56 and 1,873.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.16 : 2,740.56 = 1,873.10 : x
2. Step 2: Convert to fraction form
   1,985.16/2,740.56 = 1,873.10/x
3. Step 3: Cross multiply
   1,985.16x = 2,740.56 × 1,873.10
4. Step 4: Simplify right side
   1,985.16x = 5,133,342.94
5. Step 5: Solve for x
   x = 5,133,342.94/1,985.16
6. Step 6: Final answer
   x = 2,585.86