Finding the Fourth Proportional to 117,970.51, 162,793.69 and 64,255.27

Step by Step Solution

1. Step 1: Write the proportion equation
   117,970.51 : 162,793.69 = 64,255.27 : x
2. Step 2: Convert to fraction form
   117,970.51/162,793.69 = 64,255.27/x
3. Step 3: Cross multiply
   117,970.51x = 162,793.69 × 64,255.27
4. Step 4: Simplify right side
   117,970.51x = 10,460,352,505.25
5. Step 5: Solve for x
   x = 10,460,352,505.25/117,970.51
6. Step 6: Final answer
   x = 88,669.21