Finding the Fourth Proportional to 1,085,152.32, 1,622,838.96 and 829,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,152.32 : 1,622,838.96 = 829,062.72 : x
2. Step 2: Convert to fraction form
   1,085,152.32/1,622,838.96 = 829,062.72/x
3. Step 3: Cross multiply
   1,085,152.32x = 1,622,838.96 × 829,062.72
4. Step 4: Simplify right side
   1,085,152.32x = 1,345,435,282,299.57
5. Step 5: Solve for x
   x = 1,345,435,282,299.57/1,085,152.32
6. Step 6: Final answer
   x = 1,239,858.46