Finding the Fourth Proportional to 7,957.13, 11,931.60 and 3,570.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,957.13 : 11,931.60 = 3,570.83 : x
2. Step 2: Convert to fraction form
   7,957.13/11,931.60 = 3,570.83/x
3. Step 3: Cross multiply
   7,957.13x = 11,931.60 × 3,570.83
4. Step 4: Simplify right side
   7,957.13x = 42,605,667.54
5. Step 5: Solve for x
   x = 42,605,667.54/7,957.13
6. Step 6: Final answer
   x = 5,354.40