Finding the Fourth Proportional to 31,301.83, 43,196.70 and 16,961.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,301.83 : 43,196.70 = 16,961.88 : x
2. Step 2: Convert to fraction form
   31,301.83/43,196.70 = 16,961.88/x
3. Step 3: Cross multiply
   31,301.83x = 43,196.70 × 16,961.88
4. Step 4: Simplify right side
   31,301.83x = 732,697,241.80
5. Step 5: Solve for x
   x = 732,697,241.80/31,301.83
6. Step 6: Final answer
   x = 23,407.49