Finding the Fourth Proportional to 1,228,665.38, 1,841,550.52 and 553,956.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,665.38 : 1,841,550.52 = 553,956.74 : x
2. Step 2: Convert to fraction form
   1,228,665.38/1,841,550.52 = 553,956.74/x
3. Step 3: Cross multiply
   1,228,665.38x = 1,841,550.52 × 553,956.74
4. Step 4: Simplify right side
   1,228,665.38x = 1,020,139,322,604.50
5. Step 5: Solve for x
   x = 1,020,139,322,604.50/1,228,665.38
6. Step 6: Final answer
   x = 830,282.47