Finding the Fourth Proportional to 60,541.72, 83,662.79 and 45,408.11

Step by Step Solution

1. Step 1: Write the proportion equation
   60,541.72 : 83,662.79 = 45,408.11 : x
2. Step 2: Convert to fraction form
   60,541.72/83,662.79 = 45,408.11/x
3. Step 3: Cross multiply
   60,541.72x = 83,662.79 × 45,408.11
4. Step 4: Simplify right side
   60,541.72x = 3,798,968,525.87
5. Step 5: Solve for x
   x = 3,798,968,525.87/60,541.72
6. Step 6: Final answer
   x = 62,749.60