Finding the Fourth Proportional to 83,549.81, 124,456.53 and 79,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,549.81 : 124,456.53 = 79,022.72 : x
2. Step 2: Convert to fraction form
   83,549.81/124,456.53 = 79,022.72/x
3. Step 3: Cross multiply
   83,549.81x = 124,456.53 × 79,022.72
4. Step 4: Simplify right side
   83,549.81x = 9,834,892,900.08
5. Step 5: Solve for x
   x = 9,834,892,900.08/83,549.81
6. Step 6: Final answer
   x = 117,712.94