Finding the Fourth Proportional to 140,322.73, 210,504.93 and 51,569.33

Step by Step Solution

1. Step 1: Write the proportion equation
   140,322.73 : 210,504.93 = 51,569.33 : x
2. Step 2: Convert to fraction form
   140,322.73/210,504.93 = 51,569.33/x
3. Step 3: Cross multiply
   140,322.73x = 210,504.93 × 51,569.33
4. Step 4: Simplify right side
   140,322.73x = 10,855,596,955.89
5. Step 5: Solve for x
   x = 10,855,596,955.89/140,322.73
6. Step 6: Final answer
   x = 77,361.64