Finding the Fourth Proportional to 7,485.05, 11,234.54 and 3,789.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,485.05 : 11,234.54 = 3,789.86 : x
2. Step 2: Convert to fraction form
   7,485.05/11,234.54 = 3,789.86/x
3. Step 3: Cross multiply
   7,485.05x = 11,234.54 × 3,789.86
4. Step 4: Simplify right side
   7,485.05x = 42,577,287.07
5. Step 5: Solve for x
   x = 42,577,287.07/7,485.05
6. Step 6: Final answer
   x = 5,688.31