Finding the Fourth Proportional to 142,834.10, 214,097.55 and 54,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   142,834.10 : 214,097.55 = 54,053.30 : x
2. Step 2: Convert to fraction form
   142,834.10/214,097.55 = 54,053.30/x
3. Step 3: Cross multiply
   142,834.10x = 214,097.55 × 54,053.30
4. Step 4: Simplify right side
   142,834.10x = 11,572,679,099.42
5. Step 5: Solve for x
   x = 11,572,679,099.42/142,834.10
6. Step 6: Final answer
   x = 81,021.82