Finding the Fourth Proportional to 82,833.86, 124,212.72 and 26,663.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,833.86 : 124,212.72 = 26,663.60 : x
2. Step 2: Convert to fraction form
   82,833.86/124,212.72 = 26,663.60/x
3. Step 3: Cross multiply
   82,833.86x = 124,212.72 × 26,663.60
4. Step 4: Simplify right side
   82,833.86x = 3,311,958,280.99
5. Step 5: Solve for x
   x = 3,311,958,280.99/82,833.86
6. Step 6: Final answer
   x = 39,983.15