Finding the Fourth Proportional to 1,123,018.39, 1,549,766.01 and 613,720.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,018.39 : 1,549,766.01 = 613,720.72 : x
2. Step 2: Convert to fraction form
   1,123,018.39/1,549,766.01 = 613,720.72/x
3. Step 3: Cross multiply
   1,123,018.39x = 1,549,766.01 × 613,720.72
4. Step 4: Simplify right side
   1,123,018.39x = 951,123,511,488.73
5. Step 5: Solve for x
   x = 951,123,511,488.73/1,123,018.39
6. Step 6: Final answer
   x = 846,934.94