Finding the Fourth Proportional to 67,559.58, 93,219.39 and 42,397.74

Step by Step Solution

1. Step 1: Write the proportion equation
   67,559.58 : 93,219.39 = 42,397.74 : x
2. Step 2: Convert to fraction form
   67,559.58/93,219.39 = 42,397.74/x
3. Step 3: Cross multiply
   67,559.58x = 93,219.39 × 42,397.74
4. Step 4: Simplify right side
   67,559.58x = 3,952,291,460.18
5. Step 5: Solve for x
   x = 3,952,291,460.18/67,559.58
6. Step 6: Final answer
   x = 58,500.83