Finding the Fourth Proportional to 117,749.12, 162,494.56 and 64,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,749.12 : 162,494.56 = 64,034.72 : x
2. Step 2: Convert to fraction form
   117,749.12/162,494.56 = 64,034.72/x
3. Step 3: Cross multiply
   117,749.12x = 162,494.56 × 64,034.72
4. Step 4: Simplify right side
   117,749.12x = 10,405,293,651.12
5. Step 5: Solve for x
   x = 10,405,293,651.12/117,749.12
6. Step 6: Final answer
   x = 88,368.33