Finding the Fourth Proportional to 31,093.08, 42,906.90 and 17,662.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.08 : 42,906.90 = 17,662.56 : x
2. Step 2: Convert to fraction form
   31,093.08/42,906.90 = 17,662.56/x
3. Step 3: Cross multiply
   31,093.08x = 42,906.90 × 17,662.56
4. Step 4: Simplify right side
   31,093.08x = 757,845,695.66
5. Step 5: Solve for x
   x = 757,845,695.66/31,093.08
6. Step 6: Final answer
   x = 24,373.45