Finding the Fourth Proportional to 142,814.16, 214,554.12 and 122,885.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,814.16 : 214,554.12 = 122,885.52 : x
2. Step 2: Convert to fraction form
   142,814.16/214,554.12 = 122,885.52/x
3. Step 3: Cross multiply
   142,814.16x = 214,554.12 × 122,885.52
4. Step 4: Simplify right side
   142,814.16x = 26,365,594,604.34
5. Step 5: Solve for x
   x = 26,365,594,604.34/142,814.16
6. Step 6: Final answer
   x = 184,614.71