Finding the Fourth Proportional to 1,002,662.81, 1,503,887.60 and 282,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,662.81 : 1,503,887.60 = 282,986.72 : x
2. Step 2: Convert to fraction form
   1,002,662.81/1,503,887.60 = 282,986.72/x
3. Step 3: Cross multiply
   1,002,662.81x = 1,503,887.60 × 282,986.72
4. Step 4: Simplify right side
   1,002,662.81x = 425,580,222,932.39
5. Step 5: Solve for x
   x = 425,580,222,932.39/1,002,662.81
6. Step 6: Final answer
   x = 424,449.99