Finding the Fourth Proportional to 22,566.24, 31,141.89 and 12,357.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566.24 : 31,141.89 = 12,357.70 : x
2. Step 2: Convert to fraction form
   22,566.24/31,141.89 = 12,357.70/x
3. Step 3: Cross multiply
   22,566.24x = 31,141.89 × 12,357.70
4. Step 4: Simplify right side
   22,566.24x = 384,842,056.20
5. Step 5: Solve for x
   x = 384,842,056.20/22,566.24
6. Step 6: Final answer
   x = 17,053.89