Finding the Fourth Proportional to 142,076.72, 213,045.96 and 75,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,076.72 : 213,045.96 = 75,548.72 : x
2. Step 2: Convert to fraction form
   142,076.72/213,045.96 = 75,548.72/x
3. Step 3: Cross multiply
   142,076.72x = 213,045.96 × 75,548.72
4. Step 4: Simplify right side
   142,076.72x = 16,095,349,579.17
5. Step 5: Solve for x
   x = 16,095,349,579.17/142,076.72
6. Step 6: Final answer
   x = 113,286.33