Finding the Fourth Proportional to 31,101.08, 42,917.94 and 17,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.08 : 42,917.94 = 17,670.56 : x
2. Step 2: Convert to fraction form
   31,101.08/42,917.94 = 17,670.56/x
3. Step 3: Cross multiply
   31,101.08x = 42,917.94 × 17,670.56
4. Step 4: Simplify right side
   31,101.08x = 758,384,033.85
5. Step 5: Solve for x
   x = 758,384,033.85/31,101.08
6. Step 6: Final answer
   x = 24,384.49