Finding the Fourth Proportional to 127,528.30, 191,062.05 and 109,096.30

Step by Step Solution

1. Step 1: Write the proportion equation
   127,528.30 : 191,062.05 = 109,096.30 : x
2. Step 2: Convert to fraction form
   127,528.30/191,062.05 = 109,096.30/x
3. Step 3: Cross multiply
   127,528.30x = 191,062.05 × 109,096.30
4. Step 4: Simplify right side
   127,528.30x = 20,844,162,725.42
5. Step 5: Solve for x
   x = 20,844,162,725.42/127,528.30
6. Step 6: Final answer
   x = 163,447.35