Finding the Fourth Proportional to 1,510,230.69, 2,084,211.37 and 865,747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,230.69 : 2,084,211.37 = 865,747.78 : x
2. Step 2: Convert to fraction form
   1,510,230.69/2,084,211.37 = 865,747.78/x
3. Step 3: Cross multiply
   1,510,230.69x = 2,084,211.37 × 865,747.78
4. Step 4: Simplify right side
   1,510,230.69x = 1,804,401,362,499.91
5. Step 5: Solve for x
   x = 1,804,401,362,499.91/1,510,230.69
6. Step 6: Final answer
   x = 1,194,785.26