Finding the Fourth Proportional to 22,496.46, 31,048.92 and 13,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.46 : 31,048.92 = 13,070.50 : x
2. Step 2: Convert to fraction form
   22,496.46/31,048.92 = 13,070.50/x
3. Step 3: Cross multiply
   22,496.46x = 31,048.92 × 13,070.50
4. Step 4: Simplify right side
   22,496.46x = 405,824,908.86
5. Step 5: Solve for x
   x = 405,824,908.86/22,496.46
6. Step 6: Final answer
   x = 18,039.50