Finding the Fourth Proportional to 1,084,456.10, 1,626,684.15 and 804,520.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084,456.10 : 1,626,684.15 = 804,520.10 : x
2. Step 2: Convert to fraction form
   1,084,456.10/1,626,684.15 = 804,520.10/x
3. Step 3: Cross multiply
   1,084,456.10x = 1,626,684.15 × 804,520.10
4. Step 4: Simplify right side
   1,084,456.10x = 1,308,700,095,026.41
5. Step 5: Solve for x
   x = 1,308,700,095,026.41/1,084,456.10
6. Step 6: Final answer
   x = 1,206,780.15