Finding the Fourth Proportional to 83.76, 115.59 and 46.93

Step by Step Solution

1. Step 1: Write the proportion equation
   83.76 : 115.59 = 46.93 : x
2. Step 2: Convert to fraction form
   83.76/115.59 = 46.93/x
3. Step 3: Cross multiply
   83.76x = 115.59 × 46.93
4. Step 4: Simplify right side
   83.76x = 5,423.83
5. Step 5: Solve for x
   x = 5,423.83/83.76
6. Step 6: Final answer
   x = 64.76