Finding the Fourth Proportional to 814,061.24, 1,221,277.86 and 281,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   814,061.24 : 1,221,277.86 = 281,581.82 : x
2. Step 2: Convert to fraction form
   814,061.24/1,221,277.86 = 281,581.82/x
3. Step 3: Cross multiply
   814,061.24x = 1,221,277.86 × 281,581.82
4. Step 4: Simplify right side
   814,061.24x = 343,889,642,544.51
5. Step 5: Solve for x
   x = 343,889,642,544.51/814,061.24
6. Step 6: Final answer
   x = 422,437.07