Finding the Fourth Proportional to 31,073.77, 42,881.59 and 16,926.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.77 : 42,881.59 = 16,926.62 : x
2. Step 2: Convert to fraction form
   31,073.77/42,881.59 = 16,926.62/x
3. Step 3: Cross multiply
   31,073.77x = 42,881.59 × 16,926.62
4. Step 4: Simplify right side
   31,073.77x = 725,840,090.46
5. Step 5: Solve for x
   x = 725,840,090.46/31,073.77
6. Step 6: Final answer
   x = 23,358.61