Finding the Fourth Proportional to 127,271.35, 190,987.43 and 71,148.27

Step by Step Solution

1. Step 1: Write the proportion equation
   127,271.35 : 190,987.43 = 71,148.27 : x
2. Step 2: Convert to fraction form
   127,271.35/190,987.43 = 71,148.27/x
3. Step 3: Cross multiply
   127,271.35x = 190,987.43 × 71,148.27
4. Step 4: Simplify right side
   127,271.35x = 13,588,425,596.71
5. Step 5: Solve for x
   x = 13,588,425,596.71/127,271.35
6. Step 6: Final answer
   x = 106,767.36