Finding the Fourth Proportional to 1,091,572.78, 1,629,684.06 and 834,057.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,572.78 : 1,629,684.06 = 834,057.62 : x
2. Step 2: Convert to fraction form
   1,091,572.78/1,629,684.06 = 834,057.62/x
3. Step 3: Cross multiply
   1,091,572.78x = 1,629,684.06 × 834,057.62
4. Step 4: Simplify right side
   1,091,572.78x = 1,359,250,404,265.25
5. Step 5: Solve for x
   x = 1,359,250,404,265.25/1,091,572.78
6. Step 6: Final answer
   x = 1,245,221.97