Finding the Fourth Proportional to 73,302.72, 109,812.56 and 43,744.20

Step by Step Solution

1. Step 1: Write the proportion equation
   73,302.72 : 109,812.56 = 43,744.20 : x
2. Step 2: Convert to fraction form
   73,302.72/109,812.56 = 43,744.20/x
3. Step 3: Cross multiply
   73,302.72x = 109,812.56 × 43,744.20
4. Step 4: Simplify right side
   73,302.72x = 4,803,662,587.15
5. Step 5: Solve for x
   x = 4,803,662,587.15/73,302.72
6. Step 6: Final answer
   x = 65,531.85