Finding the Fourth Proportional to 67,721.34, 93,501.63 and 42,237.66

Step by Step Solution

1. Step 1: Write the proportion equation
   67,721.34 : 93,501.63 = 42,237.66 : x
2. Step 2: Convert to fraction form
   67,721.34/93,501.63 = 42,237.66/x
3. Step 3: Cross multiply
   67,721.34x = 93,501.63 × 42,237.66
4. Step 4: Simplify right side
   67,721.34x = 3,949,290,057.39
5. Step 5: Solve for x
   x = 3,949,290,057.39/67,721.34
6. Step 6: Final answer
   x = 58,316.77