Finding the Fourth Proportional to 2,191.36, 3,024.32 and 1,259.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.36 : 3,024.32 = 1,259.84 : x
2. Step 2: Convert to fraction form
   2,191.36/3,024.32 = 1,259.84/x
3. Step 3: Cross multiply
   2,191.36x = 3,024.32 × 1,259.84
4. Step 4: Simplify right side
   2,191.36x = 3,810,159.31
5. Step 5: Solve for x
   x = 3,810,159.31/2,191.36
6. Step 6: Final answer
   x = 1,738.72