Finding the Fourth Proportional to 215,196.50, 322,846.59 and 67,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,196.50 : 322,846.59 = 67,452.50 : x
2. Step 2: Convert to fraction form
   215,196.50/322,846.59 = 67,452.50/x
3. Step 3: Cross multiply
   215,196.50x = 322,846.59 × 67,452.50
4. Step 4: Simplify right side
   215,196.50x = 21,776,809,611.98
5. Step 5: Solve for x
   x = 21,776,809,611.98/215,196.50
6. Step 6: Final answer
   x = 101,195.00