Finding the Fourth Proportional to 2,426.06, 3,639.69 and 782.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.06 : 3,639.69 = 782.57 : x
2. Step 2: Convert to fraction form
   2,426.06/3,639.69 = 782.57/x
3. Step 3: Cross multiply
   2,426.06x = 3,639.69 × 782.57
4. Step 4: Simplify right side
   2,426.06x = 2,848,294.00
5. Step 5: Solve for x
   x = 2,848,294.00/2,426.06
6. Step 6: Final answer
   x = 1,174.04