Finding the Fourth Proportional to 269,562.99, 404,275.29 and 79,978.51

Step by Step Solution

1. Step 1: Write the proportion equation
   269,562.99 : 404,275.29 = 79,978.51 : x
2. Step 2: Convert to fraction form
   269,562.99/404,275.29 = 79,978.51/x
3. Step 3: Cross multiply
   269,562.99x = 404,275.29 × 79,978.51
4. Step 4: Simplify right side
   269,562.99x = 32,333,333,255.39
5. Step 5: Solve for x
   x = 32,333,333,255.39/269,562.99
6. Step 6: Final answer
   x = 119,947.23