Finding the Fourth Proportional to 8,428,196.88, 12,642,301.47 and 2,038,455.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,428,196.88 : 12,642,301.47 = 2,038,455.38 : x
2. Step 2: Convert to fraction form
   8,428,196.88/12,642,301.47 = 2,038,455.38/x
3. Step 3: Cross multiply
   8,428,196.88x = 12,642,301.47 × 2,038,455.38
4. Step 4: Simplify right side
   8,428,196.88x = 25,770,767,480,619.20
5. Step 5: Solve for x
   x = 25,770,767,480,619.20/8,428,196.88
6. Step 6: Final answer
   x = 3,057,684.56