Finding the Fourth Proportional to 31,061.53, 42,864.96 and 16,914.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.53 : 42,864.96 = 16,914.43 : x
2. Step 2: Convert to fraction form
   31,061.53/42,864.96 = 16,914.43/x
3. Step 3: Cross multiply
   31,061.53x = 42,864.96 × 16,914.43
4. Step 4: Simplify right side
   31,061.53x = 725,036,365.37
5. Step 5: Solve for x
   x = 725,036,365.37/31,061.53
6. Step 6: Final answer
   x = 23,341.94