Finding the Fourth Proportional to 81,075.26, 111,875.37 and 47,077.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,075.26 : 111,875.37 = 47,077.12 : x
2. Step 2: Convert to fraction form
   81,075.26/111,875.37 = 47,077.12/x
3. Step 3: Cross multiply
   81,075.26x = 111,875.37 × 47,077.12
4. Step 4: Simplify right side
   81,075.26x = 5,266,769,821.15
5. Step 5: Solve for x
   x = 5,266,769,821.15/81,075.26
6. Step 6: Final answer
   x = 64,961.49