Finding the Fourth Proportional to 1,789,131.78, 2,684,280.87 and 842,598.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789,131.78 : 2,684,280.87 = 842,598.18 : x
2. Step 2: Convert to fraction form
   1,789,131.78/2,684,280.87 = 842,598.18/x
3. Step 3: Cross multiply
   1,789,131.78x = 2,684,280.87 × 842,598.18
4. Step 4: Simplify right side
   1,789,131.78x = 2,261,770,175,670.82
5. Step 5: Solve for x
   x = 2,261,770,175,670.82/1,789,131.78
6. Step 6: Final answer
   x = 1,264,171.93