Finding the Fourth Proportional to 23,782.62, 35,663.59 and 12,686.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,782.62 : 35,663.59 = 12,686.83 : x
2. Step 2: Convert to fraction form
   23,782.62/35,663.59 = 12,686.83/x
3. Step 3: Cross multiply
   23,782.62x = 35,663.59 × 12,686.83
4. Step 4: Simplify right side
   23,782.62x = 452,457,903.52
5. Step 5: Solve for x
   x = 452,457,903.52/23,782.62
6. Step 6: Final answer
   x = 19,024.73