Finding the Fourth Proportional to 1,427,781.31, 2,140,306.71 and 528,981.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,781.31 : 2,140,306.71 = 528,981.82 : x
2. Step 2: Convert to fraction form
   1,427,781.31/2,140,306.71 = 528,981.82/x
3. Step 3: Cross multiply
   1,427,781.31x = 2,140,306.71 × 528,981.82
4. Step 4: Simplify right side
   1,427,781.31x = 1,132,183,338,814.01
5. Step 5: Solve for x
   x = 1,132,183,338,814.01/1,427,781.31
6. Step 6: Final answer
   x = 792,966.91