Finding the Fourth Proportional to 146,306.88, 201,923.52 and 84,216

Step by Step Solution

1. Step 1: Write the proportion equation
   146,306.88 : 201,923.52 = 84,216 : x
2. Step 2: Convert to fraction form
   146,306.88/201,923.52 = 84,216/x
3. Step 3: Cross multiply
   146,306.88x = 201,923.52 × 84,216
4. Step 4: Simplify right side
   146,306.88x = 17,005,191,160.32
5. Step 5: Solve for x
   x = 17,005,191,160.32/146,306.88
6. Step 6: Final answer
   x = 116,229.61