Finding the Fourth Proportional to 1,123,079.52, 1,549,845.99 and 613,781.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,079.52 : 1,549,845.99 = 613,781.76 : x
2. Step 2: Convert to fraction form
   1,123,079.52/1,549,845.99 = 613,781.76/x
3. Step 3: Cross multiply
   1,123,079.52x = 1,549,845.99 × 613,781.76
4. Step 4: Simplify right side
   1,123,079.52x = 951,267,199,471.14
5. Step 5: Solve for x
   x = 951,267,199,471.14/1,123,079.52
6. Step 6: Final answer
   x = 847,016.78