Finding the Fourth Proportional to 9,037.78, 13,553.31 and 3,113.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,037.78 : 13,553.31 = 3,113.02 : x
2. Step 2: Convert to fraction form
   9,037.78/13,553.31 = 3,113.02/x
3. Step 3: Cross multiply
   9,037.78x = 13,553.31 × 3,113.02
4. Step 4: Simplify right side
   9,037.78x = 42,191,725.10
5. Step 5: Solve for x
   x = 42,191,725.10/9,037.78
6. Step 6: Final answer
   x = 4,668.37