Finding the Fourth Proportional to 12,792.80, 19,187.86 and 3,433.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.80 : 19,187.86 = 3,433.82 : x
2. Step 2: Convert to fraction form
   12,792.80/19,187.86 = 3,433.82/x
3. Step 3: Cross multiply
   12,792.80x = 19,187.86 × 3,433.82
4. Step 4: Simplify right side
   12,792.80x = 65,887,657.43
5. Step 5: Solve for x
   x = 65,887,657.43/12,792.80
6. Step 6: Final answer
   x = 5,150.37