Finding the Fourth Proportional to 15,024.72, 22,429.59 and 13,056.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,024.72 : 22,429.59 = 13,056.96 : x
2. Step 2: Convert to fraction form
   15,024.72/22,429.59 = 13,056.96/x
3. Step 3: Cross multiply
   15,024.72x = 22,429.59 × 13,056.96
4. Step 4: Simplify right side
   15,024.72x = 292,862,259.45
5. Step 5: Solve for x
   x = 292,862,259.45/15,024.72
6. Step 6: Final answer
   x = 19,492.03