Finding the Fourth Proportional to 3,487.77, 5,230.89 and 1,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487.77 : 5,230.89 = 1,022.76 : x
2. Step 2: Convert to fraction form
   3,487.77/5,230.89 = 1,022.76/x
3. Step 3: Cross multiply
   3,487.77x = 5,230.89 × 1,022.76
4. Step 4: Simplify right side
   3,487.77x = 5,349,945.06
5. Step 5: Solve for x
   x = 5,349,945.06/3,487.77
6. Step 6: Final answer
   x = 1,533.92