Finding the Fourth Proportional to 117,747.76, 162,493 and 64,033.28

Step by Step Solution

1. Step 1: Write the proportion equation
   117,747.76 : 162,493 = 64,033.28 : x
2. Step 2: Convert to fraction form
   117,747.76/162,493 = 64,033.28/x
3. Step 3: Cross multiply
   117,747.76x = 162,493 × 64,033.28
4. Step 4: Simplify right side
   117,747.76x = 10,404,959,767.04
5. Step 5: Solve for x
   x = 10,404,959,767.04/117,747.76
6. Step 6: Final answer
   x = 88,366.52