Finding the Fourth Proportional to 22,783.48, 31,441.10 and 12,711.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,783.48 : 31,441.10 = 12,711.93 : x
2. Step 2: Convert to fraction form
   22,783.48/31,441.10 = 12,711.93/x
3. Step 3: Cross multiply
   22,783.48x = 31,441.10 × 12,711.93
4. Step 4: Simplify right side
   22,783.48x = 399,677,062.32
5. Step 5: Solve for x
   x = 399,677,062.32/22,783.48
6. Step 6: Final answer
   x = 17,542.41