Finding the Fourth Proportional to 3,620.52, 5,430.06 and 1,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.52 : 5,430.06 = 1,022.76 : x
2. Step 2: Convert to fraction form
   3,620.52/5,430.06 = 1,022.76/x
3. Step 3: Cross multiply
   3,620.52x = 5,430.06 × 1,022.76
4. Step 4: Simplify right side
   3,620.52x = 5,553,648.17
5. Step 5: Solve for x
   x = 5,553,648.17/3,620.52
6. Step 6: Final answer
   x = 1,533.94