Finding the Fourth Proportional to 142,480.86, 214,109.01 and 75,967.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,480.86 : 214,109.01 = 75,967.98 : x
2. Step 2: Convert to fraction form
   142,480.86/214,109.01 = 75,967.98/x
3. Step 3: Cross multiply
   142,480.86x = 214,109.01 × 75,967.98
4. Step 4: Simplify right side
   142,480.86x = 16,265,428,989.50
5. Step 5: Solve for x
   x = 16,265,428,989.50/142,480.86
6. Step 6: Final answer
   x = 114,158.69