Finding the Fourth Proportional to 92,895.45, 128,196.38 and 50,453.98

Step by Step Solution

1. Step 1: Write the proportion equation
   92,895.45 : 128,196.38 = 50,453.98 : x
2. Step 2: Convert to fraction form
   92,895.45/128,196.38 = 50,453.98/x
3. Step 3: Cross multiply
   92,895.45x = 128,196.38 × 50,453.98
4. Step 4: Simplify right side
   92,895.45x = 6,468,017,592.59
5. Step 5: Solve for x
   x = 6,468,017,592.59/92,895.45
6. Step 6: Final answer
   x = 69,626.85