Finding the Fourth Proportional to 31,152.05, 42,988.33 and 17,722.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152.05 : 42,988.33 = 17,722.04 : x
2. Step 2: Convert to fraction form
   31,152.05/42,988.33 = 17,722.04/x
3. Step 3: Cross multiply
   31,152.05x = 42,988.33 × 17,722.04
4. Step 4: Simplify right side
   31,152.05x = 761,840,903.79
5. Step 5: Solve for x
   x = 761,840,903.79/31,152.05
6. Step 6: Final answer
   x = 24,455.56