Finding the Fourth Proportional to 2,633.52, 3,634.19 and 1,438.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.52 : 3,634.19 = 1,438.47 : x
2. Step 2: Convert to fraction form
   2,633.52/3,634.19 = 1,438.47/x
3. Step 3: Cross multiply
   2,633.52x = 3,634.19 × 1,438.47
4. Step 4: Simplify right side
   2,633.52x = 5,227,666.10
5. Step 5: Solve for x
   x = 5,227,666.10/2,633.52
6. Step 6: Final answer
   x = 1,985.05