Finding the Fourth Proportional to 2,633.68, 3,635.27 and 1,572.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.68 : 3,635.27 = 1,572.22 : x
2. Step 2: Convert to fraction form
   2,633.68/3,635.27 = 1,572.22/x
3. Step 3: Cross multiply
   2,633.68x = 3,635.27 × 1,572.22
4. Step 4: Simplify right side
   2,633.68x = 5,715,444.20
5. Step 5: Solve for x
   x = 5,715,444.20/2,633.68
6. Step 6: Final answer
   x = 2,170.14