Finding the Fourth Proportional to 2,288.88, 3,429.63 and 2,070.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.88 : 3,429.63 = 2,070.18 : x
2. Step 2: Convert to fraction form
   2,288.88/3,429.63 = 2,070.18/x
3. Step 3: Cross multiply
   2,288.88x = 3,429.63 × 2,070.18
4. Step 4: Simplify right side
   2,288.88x = 7,099,951.43
5. Step 5: Solve for x
   x = 7,099,951.43/2,288.88
6. Step 6: Final answer
   x = 3,101.93