Finding the Fourth Proportional to 2,875.39, 3,962.78 and 2,088.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.39 : 3,962.78 = 2,088.07 : x
2. Step 2: Convert to fraction form
   2,875.39/3,962.78 = 2,088.07/x
3. Step 3: Cross multiply
   2,875.39x = 3,962.78 × 2,088.07
4. Step 4: Simplify right side
   2,875.39x = 8,274,551.59
5. Step 5: Solve for x
   x = 8,274,551.59/2,875.39
6. Step 6: Final answer
   x = 2,877.71