Finding the Fourth Proportional to 153,632, 212,012.28 and 82,976

Step by Step Solution

1. Step 1: Write the proportion equation
   153,632 : 212,012.28 = 82,976 : x
2. Step 2: Convert to fraction form
   153,632/212,012.28 = 82,976/x
3. Step 3: Cross multiply
   153,632x = 212,012.28 × 82,976
4. Step 4: Simplify right side
   153,632x = 17,591,930,945.28
5. Step 5: Solve for x
   x = 17,591,930,945.28/153,632
6. Step 6: Final answer
   x = 114,506.94