Finding the Fourth Proportional to 64,784.65, 89,372.27 and 37,910.67

Step by Step Solution

1. Step 1: Write the proportion equation
   64,784.65 : 89,372.27 = 37,910.67 : x
2. Step 2: Convert to fraction form
   64,784.65/89,372.27 = 37,910.67/x
3. Step 3: Cross multiply
   64,784.65x = 89,372.27 × 37,910.67
4. Step 4: Simplify right side
   64,784.65x = 3,388,162,445.57
5. Step 5: Solve for x
   x = 3,388,162,445.57/64,784.65
6. Step 6: Final answer
   x = 52,298.85