Finding the Fourth Proportional to 9,003.60, 13,505.00 and 3,455.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.60 : 13,505.00 = 3,455.91 : x
2. Step 2: Convert to fraction form
   9,003.60/13,505.00 = 3,455.91/x
3. Step 3: Cross multiply
   9,003.60x = 13,505.00 × 3,455.91
4. Step 4: Simplify right side
   9,003.60x = 46,672,047.27
5. Step 5: Solve for x
   x = 46,672,047.27/9,003.60
6. Step 6: Final answer
   x = 5,183.71