Finding the Fourth Proportional to 56,118.42, 77,473.89 and 40,995.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,118.42 : 77,473.89 = 40,995.54 : x
2. Step 2: Convert to fraction form
   56,118.42/77,473.89 = 40,995.54/x
3. Step 3: Cross multiply
   56,118.42x = 77,473.89 × 40,995.54
4. Step 4: Simplify right side
   56,118.42x = 3,176,083,956.45
5. Step 5: Solve for x
   x = 3,176,083,956.45/56,118.42
6. Step 6: Final answer
   x = 56,596.10