Finding the Fourth Proportional to 22,111.28, 30,514.56 and 13,037.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.28 : 30,514.56 = 13,037.02 : x
2. Step 2: Convert to fraction form
   22,111.28/30,514.56 = 13,037.02/x
3. Step 3: Cross multiply
   22,111.28x = 30,514.56 × 13,037.02
4. Step 4: Simplify right side
   22,111.28x = 397,818,803.84
5. Step 5: Solve for x
   x = 397,818,803.84/22,111.28
6. Step 6: Final answer
   x = 17,991.67