Finding the Fourth Proportional to 110,274.85, 165,443.72 and 54,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   110,274.85 : 165,443.72 = 54,131.83 : x
2. Step 2: Convert to fraction form
   110,274.85/165,443.72 = 54,131.83/x
3. Step 3: Cross multiply
   110,274.85x = 165,443.72 × 54,131.83
4. Step 4: Simplify right side
   110,274.85x = 8,955,771,054.95
5. Step 5: Solve for x
   x = 8,955,771,054.95/110,274.85
6. Step 6: Final answer
   x = 81,213.18