Finding the Fourth Proportional to 53,616.88, 73,994.79 and 30,960.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,616.88 : 73,994.79 = 30,960.10 : x
2. Step 2: Convert to fraction form
   53,616.88/73,994.79 = 30,960.10/x
3. Step 3: Cross multiply
   53,616.88x = 73,994.79 × 30,960.10
4. Step 4: Simplify right side
   53,616.88x = 2,290,886,097.88
5. Step 5: Solve for x
   x = 2,290,886,097.88/53,616.88
6. Step 6: Final answer
   x = 42,726.96