Finding the Fourth Proportional to 83,157.24, 114,622.17 and 64,976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   83,157.24 : 114,622.17 = 64,976.17 : x
2. Step 2: Convert to fraction form
   83,157.24/114,622.17 = 64,976.17/x
3. Step 3: Cross multiply
   83,157.24x = 114,622.17 × 64,976.17
4. Step 4: Simplify right side
   83,157.24x = 7,447,709,603.69
5. Step 5: Solve for x
   x = 7,447,709,603.69/83,157.24
6. Step 6: Final answer
   x = 89,561.77