Finding the Fourth Proportional to 83,139.66, 124,727.94 and 23,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,139.66 : 124,727.94 = 23,970.72 : x
2. Step 2: Convert to fraction form
   83,139.66/124,727.94 = 23,970.72/x
3. Step 3: Cross multiply
   83,139.66x = 124,727.94 × 23,970.72
4. Step 4: Simplify right side
   83,139.66x = 2,989,818,525.92
5. Step 5: Solve for x
   x = 2,989,818,525.92/83,139.66
6. Step 6: Final answer
   x = 35,961.40