Finding the Fourth Proportional to 23,058.71, 31,821.05 and 13,496.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,058.71 : 31,821.05 = 13,496.86 : x
2. Step 2: Convert to fraction form
   23,058.71/31,821.05 = 13,496.86/x
3. Step 3: Cross multiply
   23,058.71x = 31,821.05 × 13,496.86
4. Step 4: Simplify right side
   23,058.71x = 429,484,330.42
5. Step 5: Solve for x
   x = 429,484,330.42/23,058.71
6. Step 6: Final answer
   x = 18,625.69