Finding the Fourth Proportional to 82,435.79, 113,868.17 and 60,969.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,435.79 : 113,868.17 = 60,969.17 : x
2. Step 2: Convert to fraction form
   82,435.79/113,868.17 = 60,969.17/x
3. Step 3: Cross multiply
   82,435.79x = 113,868.17 × 60,969.17
4. Step 4: Simplify right side
   82,435.79x = 6,942,447,814.32
5. Step 5: Solve for x
   x = 6,942,447,814.32/82,435.79
6. Step 6: Final answer
   x = 84,216.43