Finding the Fourth Proportional to 64,663.47, 89,233.94 and 37,435.79

Step by Step Solution

1. Step 1: Write the proportion equation
   64,663.47 : 89,233.94 = 37,435.79 : x
2. Step 2: Convert to fraction form
   64,663.47/89,233.94 = 37,435.79/x
3. Step 3: Cross multiply
   64,663.47x = 89,233.94 × 37,435.79
4. Step 4: Simplify right side
   64,663.47x = 3,340,542,405.36
5. Step 5: Solve for x
   x = 3,340,542,405.36/64,663.47
6. Step 6: Final answer
   x = 51,660.43