Finding the Fourth Proportional to 67,499.52, 92,339.82 and 67,215.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67,499.52 : 92,339.82 = 67,215.21 : x
2. Step 2: Convert to fraction form
   67,499.52/92,339.82 = 67,215.21/x
3. Step 3: Cross multiply
   67,499.52x = 92,339.82 × 67,215.21
4. Step 4: Simplify right side
   67,499.52x = 6,206,640,392.66
5. Step 5: Solve for x
   x = 6,206,640,392.66/67,499.52
6. Step 6: Final answer
   x = 91,950.88