Finding the Fourth Proportional to 142,951.76, 214,345.59 and 54,148.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,951.76 : 214,345.59 = 54,148.62 : x
2. Step 2: Convert to fraction form
   142,951.76/214,345.59 = 54,148.62/x
3. Step 3: Cross multiply
   142,951.76x = 214,345.59 × 54,148.62
4. Step 4: Simplify right side
   142,951.76x = 11,606,517,901.59
5. Step 5: Solve for x
   x = 11,606,517,901.59/142,951.76
6. Step 6: Final answer
   x = 81,191.85