Finding the Fourth Proportional to 1,776,013.70, 2,662,708.35 and 978,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,013.70 : 2,662,708.35 = 978,196.10 : x
2. Step 2: Convert to fraction form
   1,776,013.70/2,662,708.35 = 978,196.10/x
3. Step 3: Cross multiply
   1,776,013.70x = 2,662,708.35 × 978,196.10
4. Step 4: Simplify right side
   1,776,013.70x = 2,604,650,923,407.44
5. Step 5: Solve for x
   x = 2,604,650,923,407.44/1,776,013.70
6. Step 6: Final answer
   x = 1,466,571.41