Finding the Fourth Proportional to 81,057.26, 111,858.58 and 47,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,057.26 : 111,858.58 = 47,074.10 : x
2. Step 2: Convert to fraction form
   81,057.26/111,858.58 = 47,074.10/x
3. Step 3: Cross multiply
   81,057.26x = 111,858.58 × 47,074.10
4. Step 4: Simplify right side
   81,057.26x = 5,265,641,980.78
5. Step 5: Solve for x
   x = 5,265,641,980.78/81,057.26
6. Step 6: Final answer
   x = 64,962.00