Finding the Fourth Proportional to 141,609.82, 212,415.27 and 57,371.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,609.82 : 212,415.27 = 57,371.56 : x
2. Step 2: Convert to fraction form
   141,609.82/212,415.27 = 57,371.56/x
3. Step 3: Cross multiply
   141,609.82x = 212,415.27 × 57,371.56
4. Step 4: Simplify right side
   141,609.82x = 12,186,595,407.72
5. Step 5: Solve for x
   x = 12,186,595,407.72/141,609.82
6. Step 6: Final answer
   x = 86,057.56