Finding the Fourth Proportional to 2,088.68, 2,870.60 and 2,030.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.68 : 2,870.60 = 2,030.36 : x
2. Step 2: Convert to fraction form
   2,088.68/2,870.60 = 2,030.36/x
3. Step 3: Cross multiply
   2,088.68x = 2,870.60 × 2,030.36
4. Step 4: Simplify right side
   2,088.68x = 5,828,351.42
5. Step 5: Solve for x
   x = 5,828,351.42/2,088.68
6. Step 6: Final answer
   x = 2,790.45