Finding the Fourth Proportional to 127,123.12, 190,872.06 and 71,073.10

Step by Step Solution

1. Step 1: Write the proportion equation
   127,123.12 : 190,872.06 = 71,073.10 : x
2. Step 2: Convert to fraction form
   127,123.12/190,872.06 = 71,073.10/x
3. Step 3: Cross multiply
   127,123.12x = 190,872.06 × 71,073.10
4. Step 4: Simplify right side
   127,123.12x = 13,565,869,007.59
5. Step 5: Solve for x
   x = 13,565,869,007.59/127,123.12
6. Step 6: Final answer
   x = 106,714.41