Finding the Fourth Proportional to 81,019.88, 121,572.49 and 41,577.00

Step by Step Solution

1. Step 1: Write the proportion equation
   81,019.88 : 121,572.49 = 41,577.00 : x
2. Step 2: Convert to fraction form
   81,019.88/121,572.49 = 41,577.00/x
3. Step 3: Cross multiply
   81,019.88x = 121,572.49 × 41,577.00
4. Step 4: Simplify right side
   81,019.88x = 5,054,618,808.87
5. Step 5: Solve for x
   x = 5,054,618,808.87/81,019.88
6. Step 6: Final answer
   x = 62,387.39