Finding the Fourth Proportional to 7,336.17, 10,991.30 and 3,875.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,336.17 : 10,991.30 = 3,875.85 : x
2. Step 2: Convert to fraction form
   7,336.17/10,991.30 = 3,875.85/x
3. Step 3: Cross multiply
   7,336.17x = 10,991.30 × 3,875.85
4. Step 4: Simplify right side
   7,336.17x = 42,600,610.73
5. Step 5: Solve for x
   x = 42,600,610.73/7,336.17
6. Step 6: Final answer
   x = 5,806.93