Finding the Fourth Proportional to 67,383, 92,314.62 and 64,859.46

Step by Step Solution

1. Step 1: Write the proportion equation
   67,383 : 92,314.62 = 64,859.46 : x
2. Step 2: Convert to fraction form
   67,383/92,314.62 = 64,859.46/x
3. Step 3: Cross multiply
   67,383x = 92,314.62 × 64,859.46
4. Step 4: Simplify right side
   67,383x = 5,987,476,403.31
5. Step 5: Solve for x
   x = 5,987,476,403.31/67,383
6. Step 6: Final answer
   x = 88,857.37