Finding the Fourth Proportional to 141,983.42, 212,952.56 and 47,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,983.42 : 212,952.56 = 47,205.72 : x
2. Step 2: Convert to fraction form
   141,983.42/212,952.56 = 47,205.72/x
3. Step 3: Cross multiply
   141,983.42x = 212,952.56 × 47,205.72
4. Step 4: Simplify right side
   141,983.42x = 10,052,578,920.64
5. Step 5: Solve for x
   x = 10,052,578,920.64/141,983.42
6. Step 6: Final answer
   x = 70,801.08