Finding the Fourth Proportional to 2,635.02, 3,953.07 and 786.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.02 : 3,953.07 = 786.24 : x
2. Step 2: Convert to fraction form
   2,635.02/3,953.07 = 786.24/x
3. Step 3: Cross multiply
   2,635.02x = 3,953.07 × 786.24
4. Step 4: Simplify right side
   2,635.02x = 3,108,061.76
5. Step 5: Solve for x
   x = 3,108,061.76/2,635.02
6. Step 6: Final answer
   x = 1,179.52