Finding the Fourth Proportional to 142,483.86, 213,652.89 and 75,960.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,483.86 : 213,652.89 = 75,960.18 : x
2. Step 2: Convert to fraction form
   142,483.86/213,652.89 = 75,960.18/x
3. Step 3: Cross multiply
   142,483.86x = 213,652.89 × 75,960.18
4. Step 4: Simplify right side
   142,483.86x = 16,229,111,981.92
5. Step 5: Solve for x
   x = 16,229,111,981.92/142,483.86
6. Step 6: Final answer
   x = 113,901.41