Finding the Fourth Proportional to 143,016.18, 214,391.82 and 53,008.77

Step by Step Solution

1. Step 1: Write the proportion equation
   143,016.18 : 214,391.82 = 53,008.77 : x
2. Step 2: Convert to fraction form
   143,016.18/214,391.82 = 53,008.77/x
3. Step 3: Cross multiply
   143,016.18x = 214,391.82 × 53,008.77
4. Step 4: Simplify right side
   143,016.18x = 11,364,646,676.26
5. Step 5: Solve for x
   x = 11,364,646,676.26/143,016.18
6. Step 6: Final answer
   x = 79,464.06