Finding the Fourth Proportional to 5,422.59, 7,485.57 and 3,632.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.59 : 7,485.57 = 3,632.90 : x
2. Step 2: Convert to fraction form
   5,422.59/7,485.57 = 3,632.90/x
3. Step 3: Cross multiply
   5,422.59x = 7,485.57 × 3,632.90
4. Step 4: Simplify right side
   5,422.59x = 27,194,289.83
5. Step 5: Solve for x
   x = 27,194,289.83/5,422.59
6. Step 6: Final answer
   x = 5,015.00