Finding the Fourth Proportional to 140,559.88, 210,922.98 and 51,875.14

Step by Step Solution

1. Step 1: Write the proportion equation
   140,559.88 : 210,922.98 = 51,875.14 : x
2. Step 2: Convert to fraction form
   140,559.88/210,922.98 = 51,875.14/x
3. Step 3: Cross multiply
   140,559.88x = 210,922.98 × 51,875.14
4. Step 4: Simplify right side
   140,559.88x = 10,941,659,116.72
5. Step 5: Solve for x
   x = 10,941,659,116.72/140,559.88
6. Step 6: Final answer
   x = 77,843.40