Finding the Fourth Proportional to 2,053,123.05, 3,079,650.63 and 613,809.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053,123.05 : 3,079,650.63 = 613,809.78 : x
2. Step 2: Convert to fraction form
   2,053,123.05/3,079,650.63 = 613,809.78/x
3. Step 3: Cross multiply
   2,053,123.05x = 3,079,650.63 × 613,809.78
4. Step 4: Simplify right side
   2,053,123.05x = 1,890,319,675,677.16
5. Step 5: Solve for x
   x = 1,890,319,675,677.16/2,053,123.05
6. Step 6: Final answer
   x = 920,704.52