Finding the Fourth Proportional to 2,177,116.39, 3,264,549.49 and 978,013.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,116.39 : 3,264,549.49 = 978,013.45 : x
2. Step 2: Convert to fraction form
   2,177,116.39/3,264,549.49 = 978,013.45/x
3. Step 3: Cross multiply
   2,177,116.39x = 3,264,549.49 × 978,013.45
4. Step 4: Simplify right side
   2,177,116.39x = 3,192,773,309,410.64
5. Step 5: Solve for x
   x = 3,192,773,309,410.64/2,177,116.39
6. Step 6: Final answer
   x = 1,466,514.76