Finding the Fourth Proportional to 1,123,246.98, 1,550,081.61 and 613,949.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,246.98 : 1,550,081.61 = 613,949.36 : x
2. Step 2: Convert to fraction form
   1,123,246.98/1,550,081.61 = 613,949.36/x
3. Step 3: Cross multiply
   1,123,246.98x = 1,550,081.61 × 613,949.36
4. Step 4: Simplify right side
   1,123,246.98x = 951,671,604,656.86
5. Step 5: Solve for x
   x = 951,671,604,656.86/1,123,246.98
6. Step 6: Final answer
   x = 847,250.53