Finding the Fourth Proportional to 2,143,047.94, 2,957,190.82 and 1,283,586.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,047.94 : 2,957,190.82 = 1,283,586.10 : x
2. Step 2: Convert to fraction form
   2,143,047.94/2,957,190.82 = 1,283,586.10/x
3. Step 3: Cross multiply
   2,143,047.94x = 2,957,190.82 × 1,283,586.10
4. Step 4: Simplify right side
   2,143,047.94x = 3,795,809,031,599.60
5. Step 5: Solve for x
   x = 3,795,809,031,599.60/2,143,047.94
6. Step 6: Final answer
   x = 1,771,219.84