Finding the Fourth Proportional to 31,042.24, 42,837.05 and 16,895.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.24 : 42,837.05 = 16,895.08 : x
2. Step 2: Convert to fraction form
   31,042.24/42,837.05 = 16,895.08/x
3. Step 3: Cross multiply
   31,042.24x = 42,837.05 × 16,895.08
4. Step 4: Simplify right side
   31,042.24x = 723,735,482.50
5. Step 5: Solve for x
   x = 723,735,482.50/31,042.24
6. Step 6: Final answer
   x = 23,314.54