Finding the Fourth Proportional to 82,969.20, 112,095.90 and 82,969.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,969.20 : 112,095.90 = 82,969.20 : x
2. Step 2: Convert to fraction form
   82,969.20/112,095.90 = 82,969.20/x
3. Step 3: Cross multiply
   82,969.20x = 112,095.90 × 82,969.20
4. Step 4: Simplify right side
   82,969.20x = 9,300,507,146.28
5. Step 5: Solve for x
   x = 9,300,507,146.28/82,969.20
6. Step 6: Final answer
   x = 112,095.90