Finding the Fourth Proportional to 31,127.49, 42,952.68 and 19,196.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,127.49 : 42,952.68 = 19,196.19 : x
2. Step 2: Convert to fraction form
   31,127.49/42,952.68 = 19,196.19/x
3. Step 3: Cross multiply
   31,127.49x = 42,952.68 × 19,196.19
4. Step 4: Simplify right side
   31,127.49x = 824,527,806.29
5. Step 5: Solve for x
   x = 824,527,806.29/31,127.49
6. Step 6: Final answer
   x = 26,488.73