Finding the Fourth Proportional to 64,612.16, 89,151.71 and 37,749.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,612.16 : 89,151.71 = 37,749.48 : x
2. Step 2: Convert to fraction form
   64,612.16/89,151.71 = 37,749.48/x
3. Step 3: Cross multiply
   64,612.16x = 89,151.71 × 37,749.48
4. Step 4: Simplify right side
   64,612.16x = 3,365,430,170.54
5. Step 5: Solve for x
   x = 3,365,430,170.54/64,612.16
6. Step 6: Final answer
   x = 52,086.64