Finding the Fourth Proportional to 35,016.31, 52,301.19 and 31,679.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,016.31 : 52,301.19 = 31,679.42 : x
2. Step 2: Convert to fraction form
   35,016.31/52,301.19 = 31,679.42/x
3. Step 3: Cross multiply
   35,016.31x = 52,301.19 × 31,679.42
4. Step 4: Simplify right side
   35,016.31x = 1,656,871,364.51
5. Step 5: Solve for x
   x = 1,656,871,364.51/35,016.31
6. Step 6: Final answer
   x = 47,317.13