Finding the Fourth Proportional to 1,043,061.31, 1,564,339.08 and 284,906.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043,061.31 : 1,564,339.08 = 284,906.33 : x
2. Step 2: Convert to fraction form
   1,043,061.31/1,564,339.08 = 284,906.33/x
3. Step 3: Cross multiply
   1,043,061.31x = 1,564,339.08 × 284,906.33
4. Step 4: Simplify right side
   1,043,061.31x = 445,690,098,336.68
5. Step 5: Solve for x
   x = 445,690,098,336.68/1,043,061.31
6. Step 6: Final answer
   x = 427,290.42