Finding the Fourth Proportional to 269,804.72, 404,670.18 and 80,294.34

Step by Step Solution

1. Step 1: Write the proportion equation
   269,804.72 : 404,670.18 = 80,294.34 : x
2. Step 2: Convert to fraction form
   269,804.72/404,670.18 = 80,294.34/x
3. Step 3: Cross multiply
   269,804.72x = 404,670.18 × 80,294.34
4. Step 4: Simplify right side
   269,804.72x = 32,492,724,111.47
5. Step 5: Solve for x
   x = 32,492,724,111.47/269,804.72
6. Step 6: Final answer
   x = 120,430.52