Finding the Fourth Proportional to 140,654.06, 210,958.34 and 51,949.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,654.06 : 210,958.34 = 51,949.34 : x
2. Step 2: Convert to fraction form
   140,654.06/210,958.34 = 51,949.34/x
3. Step 3: Cross multiply
   140,654.06x = 210,958.34 × 51,949.34
4. Step 4: Simplify right side
   140,654.06x = 10,959,146,530.50
5. Step 5: Solve for x
   x = 10,959,146,530.50/140,654.06
6. Step 6: Final answer
   x = 77,915.61