Finding the Fourth Proportional to 1,887,427.56, 2,828,341.89 and 1,386,342.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887,427.56 : 2,828,341.89 = 1,386,342.12 : x
2. Step 2: Convert to fraction form
   1,887,427.56/2,828,341.89 = 1,386,342.12/x
3. Step 3: Cross multiply
   1,887,427.56x = 2,828,341.89 × 1,386,342.12
4. Step 4: Simplify right side
   1,887,427.56x = 3,921,049,491,867.41
5. Step 5: Solve for x
   x = 3,921,049,491,867.41/1,887,427.56
6. Step 6: Final answer
   x = 2,077,456.94