Finding the Fourth Proportional to 22,970.72, 31,699.68 and 13,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,970.72 : 31,699.68 = 13,034.72 : x
2. Step 2: Convert to fraction form
   22,970.72/31,699.68 = 13,034.72/x
3. Step 3: Cross multiply
   22,970.72x = 31,699.68 × 13,034.72
4. Step 4: Simplify right side
   22,970.72x = 413,196,452.89
5. Step 5: Solve for x
   x = 413,196,452.89/22,970.72
6. Step 6: Final answer
   x = 17,987.96