Finding the Fourth Proportional to 9,045.30, 12,481.83 and 5,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.30 : 12,481.83 = 5,065.50 : x
2. Step 2: Convert to fraction form
   9,045.30/12,481.83 = 5,065.50/x
3. Step 3: Cross multiply
   9,045.30x = 12,481.83 × 5,065.50
4. Step 4: Simplify right side
   9,045.30x = 63,226,709.87
5. Step 5: Solve for x
   x = 63,226,709.87/9,045.30
6. Step 6: Final answer
   x = 6,990.01