Finding the Fourth Proportional to 108,959.03, 163,449.17 and 42,404.57

Step by Step Solution

1. Step 1: Write the proportion equation
   108,959.03 : 163,449.17 = 42,404.57 : x
2. Step 2: Convert to fraction form
   108,959.03/163,449.17 = 42,404.57/x
3. Step 3: Cross multiply
   108,959.03x = 163,449.17 × 42,404.57
4. Step 4: Simplify right side
   108,959.03x = 6,930,991,770.71
5. Step 5: Solve for x
   x = 6,930,991,770.71/108,959.03
6. Step 6: Final answer
   x = 63,610.99