Finding the Fourth Proportional to 116,456, 160,709.28 and 63,464

Step by Step Solution

1. Step 1: Write the proportion equation
   116,456 : 160,709.28 = 63,464 : x
2. Step 2: Convert to fraction form
   116,456/160,709.28 = 63,464/x
3. Step 3: Cross multiply
   116,456x = 160,709.28 × 63,464
4. Step 4: Simplify right side
   116,456x = 10,199,253,745.92
5. Step 5: Solve for x
   x = 10,199,253,745.92/116,456
6. Step 6: Final answer
   x = 87,580.32