Finding the Fourth Proportional to 117,748.76, 162,494.37 and 64,034.28

Step by Step Solution

1. Step 1: Write the proportion equation
   117,748.76 : 162,494.37 = 64,034.28 : x
2. Step 2: Convert to fraction form
   117,748.76/162,494.37 = 64,034.28/x
3. Step 3: Cross multiply
   117,748.76x = 162,494.37 × 64,034.28
4. Step 4: Simplify right side
   117,748.76x = 10,405,209,987.00
5. Step 5: Solve for x
   x = 10,405,209,987.00/117,748.76
6. Step 6: Final answer
   x = 88,367.90