Finding the Fourth Proportional to 2,106,020.64, 2,906,058.73 and 1,188,196.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,020.64 : 2,906,058.73 = 1,188,196.28 : x
2. Step 2: Convert to fraction form
   2,106,020.64/2,906,058.73 = 1,188,196.28/x
3. Step 3: Cross multiply
   2,106,020.64x = 2,906,058.73 × 1,188,196.28
4. Step 4: Simplify right side
   2,106,020.64x = 3,452,968,162,211.89
5. Step 5: Solve for x
   x = 3,452,968,162,211.89/2,106,020.64
6. Step 6: Final answer
   x = 1,639,569.95