Finding the Fourth Proportional to 40,780.72, 56,108.85 and 33,055.14

Step by Step Solution

1. Step 1: Write the proportion equation
   40,780.72 : 56,108.85 = 33,055.14 : x
2. Step 2: Convert to fraction form
   40,780.72/56,108.85 = 33,055.14/x
3. Step 3: Cross multiply
   40,780.72x = 56,108.85 × 33,055.14
4. Step 4: Simplify right side
   40,780.72x = 1,854,685,848.76
5. Step 5: Solve for x
   x = 1,854,685,848.76/40,780.72
6. Step 6: Final answer
   x = 45,479.48