Finding the Fourth Proportional to 67,704.98, 93,443.19 and 42,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,704.98 : 93,443.19 = 42,215.50 : x
2. Step 2: Convert to fraction form
   67,704.98/93,443.19 = 42,215.50/x
3. Step 3: Cross multiply
   67,704.98x = 93,443.19 × 42,215.50
4. Step 4: Simplify right side
   67,704.98x = 3,944,750,987.45
5. Step 5: Solve for x
   x = 3,944,750,987.45/67,704.98
6. Step 6: Final answer
   x = 58,263.82