Finding the Fourth Proportional to 81,081.41, 111,887.53 and 47,087.53

Step by Step Solution

1. Step 1: Write the proportion equation
   81,081.41 : 111,887.53 = 47,087.53 : x
2. Step 2: Convert to fraction form
   81,081.41/111,887.53 = 47,087.53/x
3. Step 3: Cross multiply
   81,081.41x = 111,887.53 × 47,087.53
4. Step 4: Simplify right side
   81,081.41x = 5,268,507,028.06
5. Step 5: Solve for x
   x = 5,268,507,028.06/81,081.41
6. Step 6: Final answer
   x = 64,977.99