Finding the Fourth Proportional to 173,142.72, 238,844.88 and 140,913.36

Step by Step Solution

1. Step 1: Write the proportion equation
   173,142.72 : 238,844.88 = 140,913.36 : x
2. Step 2: Convert to fraction form
   173,142.72/238,844.88 = 140,913.36/x
3. Step 3: Cross multiply
   173,142.72x = 238,844.88 × 140,913.36
4. Step 4: Simplify right side
   173,142.72x = 33,656,434,559.60
5. Step 5: Solve for x
   x = 33,656,434,559.60/173,142.72
6. Step 6: Final answer
   x = 194,385.50