Finding the Fourth Proportional to 64,568.98, 89,101.11 and 37,719.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,568.98 : 89,101.11 = 37,719.10 : x
2. Step 2: Convert to fraction form
   64,568.98/89,101.11 = 37,719.10/x
3. Step 3: Cross multiply
   64,568.98x = 89,101.11 × 37,719.10
4. Step 4: Simplify right side
   64,568.98x = 3,360,813,678.20
5. Step 5: Solve for x
   x = 3,360,813,678.20/64,568.98
6. Step 6: Final answer
   x = 52,049.97