Finding the Fourth Proportional to 53,742.06, 80,073.09 and 50,724

Step by Step Solution

1. Step 1: Write the proportion equation
   53,742.06 : 80,073.09 = 50,724 : x
2. Step 2: Convert to fraction form
   53,742.06/80,073.09 = 50,724/x
3. Step 3: Cross multiply
   53,742.06x = 80,073.09 × 50,724
4. Step 4: Simplify right side
   53,742.06x = 4,061,627,417.16
5. Step 5: Solve for x
   x = 4,061,627,417.16/53,742.06
6. Step 6: Final answer
   x = 75,576.33