Finding the Fourth Proportional to 2,433.39, 3,649.67 and 972.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.39 : 3,649.67 = 972.15 : x
2. Step 2: Convert to fraction form
   2,433.39/3,649.67 = 972.15/x
3. Step 3: Cross multiply
   2,433.39x = 3,649.67 × 972.15
4. Step 4: Simplify right side
   2,433.39x = 3,548,026.69
5. Step 5: Solve for x
   x = 3,548,026.69/2,433.39
6. Step 6: Final answer
   x = 1,458.06