Finding the Fourth Proportional to 1,427,077.10, 2,139,992.71 and 539,991.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,077.10 : 2,139,992.71 = 539,991.02 : x
2. Step 2: Convert to fraction form
   1,427,077.10/2,139,992.71 = 539,991.02/x
3. Step 3: Cross multiply
   1,427,077.10x = 2,139,992.71 × 539,991.02
4. Step 4: Simplify right side
   1,427,077.10x = 1,155,576,846,265.46
5. Step 5: Solve for x
   x = 1,155,576,846,265.46/1,427,077.10
6. Step 6: Final answer
   x = 809,750.82