Finding the Fourth Proportional to 5,706,648.56, 8,561,091.72 and 2,112,443.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,706,648.56 : 8,561,091.72 = 2,112,443.12 : x
2. Step 2: Convert to fraction form
   5,706,648.56/8,561,091.72 = 2,112,443.12/x
3. Step 3: Cross multiply
   5,706,648.56x = 8,561,091.72 × 2,112,443.12
4. Step 4: Simplify right side
   5,706,648.56x = 18,084,819,303,602.97
5. Step 5: Solve for x
   x = 18,084,819,303,602.97/5,706,648.56
6. Step 6: Final answer
   x = 3,169,078.86