Finding the Fourth Proportional to 64,786.15, 89,374.33 and 37,912.03

Step by Step Solution

1. Step 1: Write the proportion equation
   64,786.15 : 89,374.33 = 37,912.03 : x
2. Step 2: Convert to fraction form
   64,786.15/89,374.33 = 37,912.03/x
3. Step 3: Cross multiply
   64,786.15x = 89,374.33 × 37,912.03
4. Step 4: Simplify right side
   64,786.15x = 3,388,362,280.19
5. Step 5: Solve for x
   x = 3,388,362,280.19/64,786.15
6. Step 6: Final answer
   x = 52,300.72