Finding the Fourth Proportional to 117,745.89, 162,490.48 and 64,032.06

Step by Step Solution

1. Step 1: Write the proportion equation
   117,745.89 : 162,490.48 = 64,032.06 : x
2. Step 2: Convert to fraction form
   117,745.89/162,490.48 = 64,032.06/x
3. Step 3: Cross multiply
   117,745.89x = 162,490.48 × 64,032.06
4. Step 4: Simplify right side
   117,745.89x = 10,404,600,164.79
5. Step 5: Solve for x
   x = 10,404,600,164.79/117,745.89
6. Step 6: Final answer
   x = 88,364.87