Finding the Fourth Proportional to 110,080.55, 165,068.78 and 42,644.17

Step by Step Solution

1. Step 1: Write the proportion equation
   110,080.55 : 165,068.78 = 42,644.17 : x
2. Step 2: Convert to fraction form
   110,080.55/165,068.78 = 42,644.17/x
3. Step 3: Cross multiply
   110,080.55x = 165,068.78 × 42,644.17
4. Step 4: Simplify right side
   110,080.55x = 7,039,220,902.79
5. Step 5: Solve for x
   x = 7,039,220,902.79/110,080.55
6. Step 6: Final answer
   x = 63,946.09