Finding the Fourth Proportional to 3,642.42, 5,026.17 and 2,070.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.42 : 5,026.17 = 2,070.42 : x
2. Step 2: Convert to fraction form
   3,642.42/5,026.17 = 2,070.42/x
3. Step 3: Cross multiply
   3,642.42x = 5,026.17 × 2,070.42
4. Step 4: Simplify right side
   3,642.42x = 10,406,282.89
5. Step 5: Solve for x
   x = 10,406,282.89/3,642.42
6. Step 6: Final answer
   x = 2,856.97