Finding the Fourth Proportional to 1,123,257.33, 1,550,095.89 and 613,959.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,257.33 : 1,550,095.89 = 613,959.69 : x
2. Step 2: Convert to fraction form
   1,123,257.33/1,550,095.89 = 613,959.69/x
3. Step 3: Cross multiply
   1,123,257.33x = 1,550,095.89 × 613,959.69
4. Step 4: Simplify right side
   1,123,257.33x = 951,696,392,094.67
5. Step 5: Solve for x
   x = 951,696,392,094.67/1,123,257.33
6. Step 6: Final answer
   x = 847,264.80