Finding the Fourth Proportional to 64,608.50, 89,166.84 and 37,015.79

Step by Step Solution

1. Step 1: Write the proportion equation
   64,608.50 : 89,166.84 = 37,015.79 : x
2. Step 2: Convert to fraction form
   64,608.50/89,166.84 = 37,015.79/x
3. Step 3: Cross multiply
   64,608.50x = 89,166.84 × 37,015.79
4. Step 4: Simplify right side
   64,608.50x = 3,300,581,024.40
5. Step 5: Solve for x
   x = 3,300,581,024.40/64,608.50
6. Step 6: Final answer
   x = 51,085.86