Finding the Fourth Proportional to 84,759.72, 116,962.56 and 47,031

Step by Step Solution

1. Step 1: Write the proportion equation
   84,759.72 : 116,962.56 = 47,031 : x
2. Step 2: Convert to fraction form
   84,759.72/116,962.56 = 47,031/x
3. Step 3: Cross multiply
   84,759.72x = 116,962.56 × 47,031
4. Step 4: Simplify right side
   84,759.72x = 5,500,866,159.36
5. Step 5: Solve for x
   x = 5,500,866,159.36/84,759.72
6. Step 6: Final answer
   x = 64,899.53