Finding the Fourth Proportional to 23,064.98, 31,830.43 and 13,505.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,064.98 : 31,830.43 = 13,505.82 : x
2. Step 2: Convert to fraction form
   23,064.98/31,830.43 = 13,505.82/x
3. Step 3: Cross multiply
   23,064.98x = 31,830.43 × 13,505.82
4. Step 4: Simplify right side
   23,064.98x = 429,896,058.10
5. Step 5: Solve for x
   x = 429,896,058.10/23,064.98
6. Step 6: Final answer
   x = 18,638.48