Finding the Fourth Proportional to 83,436.41, 115,142.36 and 45,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,436.41 : 115,142.36 = 45,196.38 : x
2. Step 2: Convert to fraction form
   83,436.41/115,142.36 = 45,196.38/x
3. Step 3: Cross multiply
   83,436.41x = 115,142.36 × 45,196.38
4. Step 4: Simplify right side
   83,436.41x = 5,204,017,630.67
5. Step 5: Solve for x
   x = 5,204,017,630.67/83,436.41
6. Step 6: Final answer
   x = 62,371.06