Finding the Fourth Proportional to 30,495.61, 42,103.04 and 19,598.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,495.61 : 42,103.04 = 19,598.17 : x
2. Step 2: Convert to fraction form
   30,495.61/42,103.04 = 19,598.17/x
3. Step 3: Cross multiply
   30,495.61x = 42,103.04 × 19,598.17
4. Step 4: Simplify right side
   30,495.61x = 825,142,479.17
5. Step 5: Solve for x
   x = 825,142,479.17/30,495.61
6. Step 6: Final answer
   x = 27,057.75