Finding the Fourth Proportional to 140,233.97, 210,443.09 and 51,488.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,233.97 : 210,443.09 = 51,488.34 : x
2. Step 2: Convert to fraction form
   140,233.97/210,443.09 = 51,488.34/x
3. Step 3: Cross multiply
   140,233.97x = 210,443.09 × 51,488.34
4. Step 4: Simplify right side
   140,233.97x = 10,835,365,111.13
5. Step 5: Solve for x
   x = 10,835,365,111.13/140,233.97
6. Step 6: Final answer
   x = 77,266.34