Finding the Fourth Proportional to 11,501,128.56, 17,245,218.60 and 3,820,662

Step by Step Solution

1. Step 1: Write the proportion equation
   11,501,128.56 : 17,245,218.60 = 3,820,662 : x
2. Step 2: Convert to fraction form
   11,501,128.56/17,245,218.60 = 3,820,662/x
3. Step 3: Cross multiply
   11,501,128.56x = 17,245,218.60 × 3,820,662
4. Step 4: Simplify right side
   11,501,128.56x = 65,888,151,386,713.20
5. Step 5: Solve for x
   x = 65,888,151,386,713.20/11,501,128.56
6. Step 6: Final answer
   x = 5,728,842.26