Finding the Fourth Proportional to 2,178,003.78, 3,005,718.24 and 1,197,984.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,003.78 : 3,005,718.24 = 1,197,984.27 : x
2. Step 2: Convert to fraction form
   2,178,003.78/3,005,718.24 = 1,197,984.27/x
3. Step 3: Cross multiply
   2,178,003.78x = 3,005,718.24 × 1,197,984.27
4. Step 4: Simplify right side
   2,178,003.78x = 3,600,803,171,572.09
5. Step 5: Solve for x
   x = 3,600,803,171,572.09/2,178,003.78
6. Step 6: Final answer
   x = 1,653,258.46