Finding the Fourth Proportional to 9,059.72, 13,588.14 and 2,903.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,059.72 : 13,588.14 = 2,903.72 : x
2. Step 2: Convert to fraction form
   9,059.72/13,588.14 = 2,903.72/x
3. Step 3: Cross multiply
   9,059.72x = 13,588.14 × 2,903.72
4. Step 4: Simplify right side
   9,059.72x = 39,456,153.88
5. Step 5: Solve for x
   x = 39,456,153.88/9,059.72
6. Step 6: Final answer
   x = 4,355.12