Finding the Fourth Proportional to 116,644.52, 160,967.52 and 64,961.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,644.52 : 160,967.52 = 64,961.12 : x
2. Step 2: Convert to fraction form
   116,644.52/160,967.52 = 64,961.12/x
3. Step 3: Cross multiply
   116,644.52x = 160,967.52 × 64,961.12
4. Step 4: Simplify right side
   116,644.52x = 10,456,630,382.82
5. Step 5: Solve for x
   x = 10,456,630,382.82/116,644.52
6. Step 6: Final answer
   x = 89,645.28