Finding the Fourth Proportional to 140,094.50, 209,956.59 and 51,262.47

Step by Step Solution

1. Step 1: Write the proportion equation
   140,094.50 : 209,956.59 = 51,262.47 : x
2. Step 2: Convert to fraction form
   140,094.50/209,956.59 = 51,262.47/x
3. Step 3: Cross multiply
   140,094.50x = 209,956.59 × 51,262.47
4. Step 4: Simplify right side
   140,094.50x = 10,762,893,396.18
5. Step 5: Solve for x
   x = 10,762,893,396.18/140,094.50
6. Step 6: Final answer
   x = 76,825.96