Finding the Fourth Proportional to 67,831.86, 93,500.06 and 53,468.40

Step by Step Solution

1. Step 1: Write the proportion equation
   67,831.86 : 93,500.06 = 53,468.40 : x
2. Step 2: Convert to fraction form
   67,831.86/93,500.06 = 53,468.40/x
3. Step 3: Cross multiply
   67,831.86x = 93,500.06 × 53,468.40
4. Step 4: Simplify right side
   67,831.86x = 4,999,298,608.10
5. Step 5: Solve for x
   x = 4,999,298,608.10/67,831.86
6. Step 6: Final answer
   x = 73,701.33