Finding the Fourth Proportional to 67,840.74, 93,632.76 and 42,358.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67,840.74 : 93,632.76 = 42,358.55 : x
2. Step 2: Convert to fraction form
   67,840.74/93,632.76 = 42,358.55/x
3. Step 3: Cross multiply
   67,840.74x = 93,632.76 × 42,358.55
4. Step 4: Simplify right side
   67,840.74x = 3,966,147,477.93
5. Step 5: Solve for x
   x = 3,966,147,477.93/67,840.74
6. Step 6: Final answer
   x = 58,462.62