Finding the Fourth Proportional to 117,746.57, 162,491.35 and 64,032.09

Step by Step Solution

1. Step 1: Write the proportion equation
   117,746.57 : 162,491.35 = 64,032.09 : x
2. Step 2: Convert to fraction form
   117,746.57/162,491.35 = 64,032.09/x
3. Step 3: Cross multiply
   117,746.57x = 162,491.35 × 64,032.09
4. Step 4: Simplify right side
   117,746.57x = 10,404,660,747.42
5. Step 5: Solve for x
   x = 10,404,660,747.42/117,746.57
6. Step 6: Final answer
   x = 88,364.87