Finding the Fourth Proportional to 7,066.61, 9,752.42 and 3,922.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,066.61 : 9,752.42 = 3,922.77 : x
2. Step 2: Convert to fraction form
   7,066.61/9,752.42 = 3,922.77/x
3. Step 3: Cross multiply
   7,066.61x = 9,752.42 × 3,922.77
4. Step 4: Simplify right side
   7,066.61x = 38,256,510.41
5. Step 5: Solve for x
   x = 38,256,510.41/7,066.61
6. Step 6: Final answer
   x = 5,413.70