Finding the Fourth Proportional to 22,473.48, 31,011.57 and 12,910.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473.48 : 31,011.57 = 12,910.35 : x
2. Step 2: Convert to fraction form
   22,473.48/31,011.57 = 12,910.35/x
3. Step 3: Cross multiply
   22,473.48x = 31,011.57 × 12,910.35
4. Step 4: Simplify right side
   22,473.48x = 400,370,222.75
5. Step 5: Solve for x
   x = 400,370,222.75/22,473.48
6. Step 6: Final answer
   x = 17,815.23