Finding the Fourth Proportional to 23,537.72, 35,321.46 and 13,156.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,537.72 : 35,321.46 = 13,156.28 : x
2. Step 2: Convert to fraction form
   23,537.72/35,321.46 = 13,156.28/x
3. Step 3: Cross multiply
   23,537.72x = 35,321.46 × 13,156.28
4. Step 4: Simplify right side
   23,537.72x = 464,699,017.77
5. Step 5: Solve for x
   x = 464,699,017.77/23,537.72
6. Step 6: Final answer
   x = 19,742.74