Finding the Fourth Proportional to 142,766.81, 214,151.73 and 58,505.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,766.81 : 214,151.73 = 58,505.34 : x
2. Step 2: Convert to fraction form
   142,766.81/214,151.73 = 58,505.34/x
3. Step 3: Cross multiply
   142,766.81x = 214,151.73 × 58,505.34
4. Step 4: Simplify right side
   142,766.81x = 12,529,019,775.24
5. Step 5: Solve for x
   x = 12,529,019,775.24/142,766.81
6. Step 6: Final answer
   x = 87,758.63