Finding the Fourth Proportional to 110,300.10, 165,401.55 and 43,718.10

Step by Step Solution

1. Step 1: Write the proportion equation
   110,300.10 : 165,401.55 = 43,718.10 : x
2. Step 2: Convert to fraction form
   110,300.10/165,401.55 = 43,718.10/x
3. Step 3: Cross multiply
   110,300.10x = 165,401.55 × 43,718.10
4. Step 4: Simplify right side
   110,300.10x = 7,231,041,503.06
5. Step 5: Solve for x
   x = 7,231,041,503.06/110,300.10
6. Step 6: Final answer
   x = 65,557.89