Finding the Fourth Proportional to 1,123,086.32, 1,549,859.28 and 613,788.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,086.32 : 1,549,859.28 = 613,788.56 : x
2. Step 2: Convert to fraction form
   1,123,086.32/1,549,859.28 = 613,788.56/x
3. Step 3: Cross multiply
   1,123,086.32x = 1,549,859.28 × 613,788.56
4. Step 4: Simplify right side
   1,123,086.32x = 951,285,895,673.84
5. Step 5: Solve for x
   x = 951,285,895,673.84/1,123,086.32
6. Step 6: Final answer
   x = 847,028.30