Finding the Fourth Proportional to 83.93, 124.98 and 83.01

Step by Step Solution

1. Step 1: Write the proportion equation
   83.93 : 124.98 = 83.01 : x
2. Step 2: Convert to fraction form
   83.93/124.98 = 83.01/x
3. Step 3: Cross multiply
   83.93x = 124.98 × 83.01
4. Step 4: Simplify right side
   83.93x = 10,374.17
5. Step 5: Solve for x
   x = 10,374.17/83.93
6. Step 6: Final answer
   x = 123.61