Finding the Fourth Proportional to 2,181,308.88, 3,010,199.64 and 1,214,414.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,308.88 : 3,010,199.64 = 1,214,414.28 : x
2. Step 2: Convert to fraction form
   2,181,308.88/3,010,199.64 = 1,214,414.28/x
3. Step 3: Cross multiply
   2,181,308.88x = 3,010,199.64 × 1,214,414.28
4. Step 4: Simplify right side
   2,181,308.88x = 3,655,629,428,466.86
5. Step 5: Solve for x
   x = 3,655,629,428,466.86/2,181,308.88
6. Step 6: Final answer
   x = 1,675,888.02