Finding the Fourth Proportional to 4,992.55, 7,477.15 and 3,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,992.55 : 7,477.15 = 3,945.52 : x
2. Step 2: Convert to fraction form
   4,992.55/7,477.15 = 3,945.52/x
3. Step 3: Cross multiply
   4,992.55x = 7,477.15 × 3,945.52
4. Step 4: Simplify right side
   4,992.55x = 29,501,256.71
5. Step 5: Solve for x
   x = 29,501,256.71/4,992.55
6. Step 6: Final answer
   x = 5,909.06