Finding the Fourth Proportional to 31,085.37, 42,896.28 and 17,654.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,085.37 : 42,896.28 = 17,654.86 : x
2. Step 2: Convert to fraction form
   31,085.37/42,896.28 = 17,654.86/x
3. Step 3: Cross multiply
   31,085.37x = 42,896.28 × 17,654.86
4. Step 4: Simplify right side
   31,085.37x = 757,327,937.75
5. Step 5: Solve for x
   x = 757,327,937.75/31,085.37
6. Step 6: Final answer
   x = 24,362.84