Finding the Fourth Proportional to 55,981.72, 77,249.68 and 33,317.05

Step by Step Solution

1. Step 1: Write the proportion equation
   55,981.72 : 77,249.68 = 33,317.05 : x
2. Step 2: Convert to fraction form
   55,981.72/77,249.68 = 33,317.05/x
3. Step 3: Cross multiply
   55,981.72x = 77,249.68 × 33,317.05
4. Step 4: Simplify right side
   55,981.72x = 2,573,731,451.04
5. Step 5: Solve for x
   x = 2,573,731,451.04/55,981.72
6. Step 6: Final answer
   x = 45,974.50