Finding the Fourth Proportional to 83.02, 124.34 and 46.86

Step by Step Solution

1. Step 1: Write the proportion equation
   83.02 : 124.34 = 46.86 : x
2. Step 2: Convert to fraction form
   83.02/124.34 = 46.86/x
3. Step 3: Cross multiply
   83.02x = 124.34 × 46.86
4. Step 4: Simplify right side
   83.02x = 5,826.57
5. Step 5: Solve for x
   x = 5,826.57/83.02
6. Step 6: Final answer
   x = 70.18