Finding the Fourth Proportional to 19,429.55, 29,111.51 and 15,525.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,429.55 : 29,111.51 = 15,525.75 : x
2. Step 2: Convert to fraction form
   19,429.55/29,111.51 = 15,525.75/x
3. Step 3: Cross multiply
   19,429.55x = 29,111.51 × 15,525.75
4. Step 4: Simplify right side
   19,429.55x = 451,978,065.20
5. Step 5: Solve for x
   x = 451,978,065.20/19,429.55
6. Step 6: Final answer
   x = 23,262.41