Finding the Fourth Proportional to 1,123,078.02, 1,549,843.92 and 613,780.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,078.02 : 1,549,843.92 = 613,780.26 : x
2. Step 2: Convert to fraction form
   1,123,078.02/1,549,843.92 = 613,780.26/x
3. Step 3: Cross multiply
   1,123,078.02x = 1,549,843.92 × 613,780.26
4. Step 4: Simplify right side
   1,123,078.02x = 951,263,604,177.02
5. Step 5: Solve for x
   x = 951,263,604,177.02/1,123,078.02
6. Step 6: Final answer
   x = 847,014.71