Finding the Fourth Proportional to 31,102.02, 42,920.94 and 17,674.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,102.02 : 42,920.94 = 17,674.01 : x
2. Step 2: Convert to fraction form
   31,102.02/42,920.94 = 17,674.01/x
3. Step 3: Cross multiply
   31,102.02x = 42,920.94 × 17,674.01
4. Step 4: Simplify right side
   31,102.02x = 758,584,908.16
5. Step 5: Solve for x
   x = 758,584,908.16/31,102.02
6. Step 6: Final answer
   x = 24,390.21