Finding the Fourth Proportional to 117,995.46, 162,833.10 and 64,280.35

Step by Step Solution

1. Step 1: Write the proportion equation
   117,995.46 : 162,833.10 = 64,280.35 : x
2. Step 2: Convert to fraction form
   117,995.46/162,833.10 = 64,280.35/x
3. Step 3: Cross multiply
   117,995.46x = 162,833.10 × 64,280.35
4. Step 4: Simplify right side
   117,995.46x = 10,466,968,659.59
5. Step 5: Solve for x
   x = 10,466,968,659.59/117,995.46
6. Step 6: Final answer
   x = 88,706.54