Finding the Fourth Proportional to 881,061.43, 1,320,945.72 and 281,677.63

Step by Step Solution

1. Step 1: Write the proportion equation
   881,061.43 : 1,320,945.72 = 281,677.63 : x
2. Step 2: Convert to fraction form
   881,061.43/1,320,945.72 = 281,677.63/x
3. Step 3: Cross multiply
   881,061.43x = 1,320,945.72 × 281,677.63
4. Step 4: Simplify right side
   881,061.43x = 372,080,859,768.24
5. Step 5: Solve for x
   x = 372,080,859,768.24/881,061.43
6. Step 6: Final answer
   x = 422,309.78