Finding the Fourth Proportional to 127,314.42, 190,610.74 and 105,794.34

Step by Step Solution

1. Step 1: Write the proportion equation
   127,314.42 : 190,610.74 = 105,794.34 : x
2. Step 2: Convert to fraction form
   127,314.42/190,610.74 = 105,794.34/x
3. Step 3: Cross multiply
   127,314.42x = 190,610.74 × 105,794.34
4. Step 4: Simplify right side
   127,314.42x = 20,165,537,435.21
5. Step 5: Solve for x
   x = 20,165,537,435.21/127,314.42
6. Step 6: Final answer
   x = 158,391.62