Finding the Fourth Proportional to 15,510.24, 23,272.56 and 13,314.24

Step by Step Solution

1. Step 1: Write the proportion equation
   15,510.24 : 23,272.56 = 13,314.24 : x
2. Step 2: Convert to fraction form
   15,510.24/23,272.56 = 13,314.24/x
3. Step 3: Cross multiply
   15,510.24x = 23,272.56 × 13,314.24
4. Step 4: Simplify right side
   15,510.24x = 309,856,449.25
5. Step 5: Solve for x
   x = 309,856,449.25/15,510.24
6. Step 6: Final answer
   x = 19,977.54