Finding the Fourth Proportional to 215,141.27, 322,711.83 and 65,381.04

Step by Step Solution

1. Step 1: Write the proportion equation
   215,141.27 : 322,711.83 = 65,381.04 : x
2. Step 2: Convert to fraction form
   215,141.27/322,711.83 = 65,381.04/x
3. Step 3: Cross multiply
   215,141.27x = 322,711.83 × 65,381.04
4. Step 4: Simplify right side
   215,141.27x = 21,099,235,065.70
5. Step 5: Solve for x
   x = 21,099,235,065.70/215,141.27
6. Step 6: Final answer
   x = 98,071.54