Finding the Fourth Proportional to 199,665.42, 275,498.10 and 127,097.52

Step by Step Solution

1. Step 1: Write the proportion equation
   199,665.42 : 275,498.10 = 127,097.52 : x
2. Step 2: Convert to fraction form
   199,665.42/275,498.10 = 127,097.52/x
3. Step 3: Cross multiply
   199,665.42x = 275,498.10 × 127,097.52
4. Step 4: Simplify right side
   199,665.42x = 35,015,125,274.71
5. Step 5: Solve for x
   x = 35,015,125,274.71/199,665.42
6. Step 6: Final answer
   x = 175,369.00