Finding the Fourth Proportional to 117,994, 162,831.72 and 65,002

Step by Step Solution

1. Step 1: Write the proportion equation
   117,994 : 162,831.72 = 65,002 : x
2. Step 2: Convert to fraction form
   117,994/162,831.72 = 65,002/x
3. Step 3: Cross multiply
   117,994x = 162,831.72 × 65,002
4. Step 4: Simplify right side
   117,994x = 10,584,387,463.44
5. Step 5: Solve for x
   x = 10,584,387,463.44/117,994
6. Step 6: Final answer
   x = 89,702.76