Finding the Fourth Proportional to 2,664.42, 3,675.61 and 2,070.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.42 : 3,675.61 = 2,070.89 : x
2. Step 2: Convert to fraction form
   2,664.42/3,675.61 = 2,070.89/x
3. Step 3: Cross multiply
   2,664.42x = 3,675.61 × 2,070.89
4. Step 4: Simplify right side
   2,664.42x = 7,611,783.99
5. Step 5: Solve for x
   x = 7,611,783.99/2,664.42
6. Step 6: Final answer
   x = 2,856.83