Finding the Fourth Proportional to 30,476.24, 42,047.88 and 19,862

Step by Step Solution

1. Step 1: Write the proportion equation
   30,476.24 : 42,047.88 = 19,862 : x
2. Step 2: Convert to fraction form
   30,476.24/42,047.88 = 19,862/x
3. Step 3: Cross multiply
   30,476.24x = 42,047.88 × 19,862
4. Step 4: Simplify right side
   30,476.24x = 835,154,992.56
5. Step 5: Solve for x
   x = 835,154,992.56/30,476.24
6. Step 6: Final answer
   x = 27,403.48