Finding the Fourth Proportional to 9,003.62, 13,480.00 and 4,777.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.62 : 13,480.00 = 4,777.31 : x
2. Step 2: Convert to fraction form
   9,003.62/13,480.00 = 4,777.31/x
3. Step 3: Cross multiply
   9,003.62x = 13,480.00 × 4,777.31
4. Step 4: Simplify right side
   9,003.62x = 64,398,059.46
5. Step 5: Solve for x
   x = 64,398,059.46/9,003.62
6. Step 6: Final answer
   x = 7,152.47