Finding the Fourth Proportional to 1,435,371.72, 1,980,814.83 and 781,994.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,371.72 : 1,980,814.83 = 781,994.52 : x
2. Step 2: Convert to fraction form
   1,435,371.72/1,980,814.83 = 781,994.52/x
3. Step 3: Cross multiply
   1,435,371.72x = 1,980,814.83 × 781,994.52
4. Step 4: Simplify right side
   1,435,371.72x = 1,548,986,342,194.73
5. Step 5: Solve for x
   x = 1,548,986,342,194.73/1,435,371.72
6. Step 6: Final answer
   x = 1,079,153.45