Finding the Fourth Proportional to 64,963.31, 89,735.42 and 52,264.33

Step by Step Solution

1. Step 1: Write the proportion equation
   64,963.31 : 89,735.42 = 52,264.33 : x
2. Step 2: Convert to fraction form
   64,963.31/89,735.42 = 52,264.33/x
3. Step 3: Cross multiply
   64,963.31x = 89,735.42 × 52,264.33
4. Step 4: Simplify right side
   64,963.31x = 4,689,961,509.89
5. Step 5: Solve for x
   x = 4,689,961,509.89/64,963.31
6. Step 6: Final answer
   x = 72,194.01