Finding the Fourth Proportional to 127,723.50, 191,754.81 and 109,123.02

Step by Step Solution

1. Step 1: Write the proportion equation
   127,723.50 : 191,754.81 = 109,123.02 : x
2. Step 2: Convert to fraction form
   127,723.50/191,754.81 = 109,123.02/x
3. Step 3: Cross multiply
   127,723.50x = 191,754.81 × 109,123.02
4. Step 4: Simplify right side
   127,723.50x = 20,924,863,966.73
5. Step 5: Solve for x
   x = 20,924,863,966.73/127,723.50
6. Step 6: Final answer
   x = 163,829.40