Finding the Fourth Proportional to 86,432.72, 119,277.18 and 46,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,432.72 : 119,277.18 = 46,688.72 : x
2. Step 2: Convert to fraction form
   86,432.72/119,277.18 = 46,688.72/x
3. Step 3: Cross multiply
   86,432.72x = 119,277.18 × 46,688.72
4. Step 4: Simplify right side
   86,432.72x = 5,568,898,859.41
5. Step 5: Solve for x
   x = 5,568,898,859.41/86,432.72
6. Step 6: Final answer
   x = 64,430.45