Finding the Fourth Proportional to 117,970.76, 162,794.04 and 64,255.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,970.76 : 162,794.04 = 64,255.52 : x
2. Step 2: Convert to fraction form
   117,970.76/162,794.04 = 64,255.52/x
3. Step 3: Cross multiply
   117,970.76x = 162,794.04 × 64,255.52
4. Step 4: Simplify right side
   117,970.76x = 10,460,415,693.10
5. Step 5: Solve for x
   x = 10,460,415,693.10/117,970.76
6. Step 6: Final answer
   x = 88,669.56