Finding the Fourth Proportional to 124,144.14, 171,322.78 and 70,431.42

Step by Step Solution

1. Step 1: Write the proportion equation
   124,144.14 : 171,322.78 = 70,431.42 : x
2. Step 2: Convert to fraction form
   124,144.14/171,322.78 = 70,431.42/x
3. Step 3: Cross multiply
   124,144.14x = 171,322.78 × 70,431.42
4. Step 4: Simplify right side
   124,144.14x = 12,066,506,673.75
5. Step 5: Solve for x
   x = 12,066,506,673.75/124,144.14
6. Step 6: Final answer
   x = 97,197.55