Finding the Fourth Proportional to 31,041.07, 42,837.57 and 16,894.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,041.07 : 42,837.57 = 16,894.81 : x
2. Step 2: Convert to fraction form
   31,041.07/42,837.57 = 16,894.81/x
3. Step 3: Cross multiply
   31,041.07x = 42,837.57 × 16,894.81
4. Step 4: Simplify right side
   31,041.07x = 723,732,606.01
5. Step 5: Solve for x
   x = 723,732,606.01/31,041.07
6. Step 6: Final answer
   x = 23,315.32