Finding the Fourth Proportional to 31,095.38, 42,911.63 and 16,948.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,095.38 : 42,911.63 = 16,948.32 : x
2. Step 2: Convert to fraction form
   31,095.38/42,911.63 = 16,948.32/x
3. Step 3: Cross multiply
   31,095.38x = 42,911.63 × 16,948.32
4. Step 4: Simplify right side
   31,095.38x = 727,279,952.22
5. Step 5: Solve for x
   x = 727,279,952.22/31,095.38
6. Step 6: Final answer
   x = 23,388.69