Finding the Fourth Proportional to 117,995.76, 162,828.54 and 64,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,995.76 : 162,828.54 = 64,280.52 : x
2. Step 2: Convert to fraction form
   117,995.76/162,828.54 = 64,280.52/x
3. Step 3: Cross multiply
   117,995.76x = 162,828.54 × 64,280.52
4. Step 4: Simplify right side
   117,995.76x = 10,466,703,222.04
5. Step 5: Solve for x
   x = 10,466,703,222.04/117,995.76
6. Step 6: Final answer
   x = 88,704.06