Finding the Fourth Proportional to 1,939,881.78, 2,676,935.25 and 1,080,426.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,881.78 : 2,676,935.25 = 1,080,426.42 : x
2. Step 2: Convert to fraction form
   1,939,881.78/2,676,935.25 = 1,080,426.42/x
3. Step 3: Cross multiply
   1,939,881.78x = 2,676,935.25 × 1,080,426.42
4. Step 4: Simplify right side
   1,939,881.78x = 2,892,231,568,729.31
5. Step 5: Solve for x
   x = 2,892,231,568,729.31/1,939,881.78
6. Step 6: Final answer
   x = 1,490,931.87