Finding the Fourth Proportional to 67,978.24, 93,844.08 and 42,498.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,978.24 : 93,844.08 = 42,498.76 : x
2. Step 2: Convert to fraction form
   67,978.24/93,844.08 = 42,498.76/x
3. Step 3: Cross multiply
   67,978.24x = 93,844.08 × 42,498.76
4. Step 4: Simplify right side
   67,978.24x = 3,988,257,033.34
5. Step 5: Solve for x
   x = 3,988,257,033.34/67,978.24
6. Step 6: Final answer
   x = 58,669.61