Finding the Fourth Proportional to 142,727.59, 214,024.33 and 82,773.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,727.59 : 214,024.33 = 82,773.10 : x
2. Step 2: Convert to fraction form
   142,727.59/214,024.33 = 82,773.10/x
3. Step 3: Cross multiply
   142,727.59x = 214,024.33 × 82,773.10
4. Step 4: Simplify right side
   142,727.59x = 17,715,457,271.38
5. Step 5: Solve for x
   x = 17,715,457,271.38/142,727.59
6. Step 6: Final answer
   x = 124,120.77