Finding the Fourth Proportional to 31,111.98, 46,658.25 and 13,577.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.98 : 46,658.25 = 13,577.10 : x
2. Step 2: Convert to fraction form
   31,111.98/46,658.25 = 13,577.10/x
3. Step 3: Cross multiply
   31,111.98x = 46,658.25 × 13,577.10
4. Step 4: Simplify right side
   31,111.98x = 633,483,726.08
5. Step 5: Solve for x
   x = 633,483,726.08/31,111.98
6. Step 6: Final answer
   x = 20,361.41