Finding the Fourth Proportional to 9,477.74, 13,079.94 and 5,285.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.74 : 13,079.94 = 5,285.99 : x
2. Step 2: Convert to fraction form
   9,477.74/13,079.94 = 5,285.99/x
3. Step 3: Cross multiply
   9,477.74x = 13,079.94 × 5,285.99
4. Step 4: Simplify right side
   9,477.74x = 69,140,432.04
5. Step 5: Solve for x
   x = 69,140,432.04/9,477.74
6. Step 6: Final answer
   x = 7,295.03