Finding the Fourth Proportional to 140,568.25, 210,852.57 and 57,462.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,568.25 : 210,852.57 = 57,462.25 : x
2. Step 2: Convert to fraction form
   140,568.25/210,852.57 = 57,462.25/x
3. Step 3: Cross multiply
   140,568.25x = 210,852.57 × 57,462.25
4. Step 4: Simplify right side
   140,568.25x = 12,116,063,090.48
5. Step 5: Solve for x
   x = 12,116,063,090.48/140,568.25
6. Step 6: Final answer
   x = 86,193.45