Finding the Fourth Proportional to 221,084.52, 331,674.12 and 71,333.28

Step by Step Solution

1. Step 1: Write the proportion equation
   221,084.52 : 331,674.12 = 71,333.28 : x
2. Step 2: Convert to fraction form
   221,084.52/331,674.12 = 71,333.28/x
3. Step 3: Cross multiply
   221,084.52x = 331,674.12 × 71,333.28
4. Step 4: Simplify right side
   221,084.52x = 23,659,402,870.71
5. Step 5: Solve for x
   x = 23,659,402,870.71/221,084.52
6. Step 6: Final answer
   x = 107,015.19