Finding the Fourth Proportional to 559,938.83, 839,314.10 and 275,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   559,938.83 : 839,314.10 = 275,227.88 : x
2. Step 2: Convert to fraction form
   559,938.83/839,314.10 = 275,227.88/x
3. Step 3: Cross multiply
   559,938.83x = 839,314.10 × 275,227.88
4. Step 4: Simplify right side
   559,938.83x = 231,002,636,888.61
5. Step 5: Solve for x
   x = 231,002,636,888.61/559,938.83
6. Step 6: Final answer
   x = 412,549.78