Finding the Fourth Proportional to 83,006.16, 113,969.76 and 80,841.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,006.16 : 113,969.76 = 80,841.12 : x
2. Step 2: Convert to fraction form
   83,006.16/113,969.76 = 80,841.12/x
3. Step 3: Cross multiply
   83,006.16x = 113,969.76 × 80,841.12
4. Step 4: Simplify right side
   83,006.16x = 9,213,443,044.53
5. Step 5: Solve for x
   x = 9,213,443,044.53/83,006.16
6. Step 6: Final answer
   x = 110,997.10