Finding the Fourth Proportional to 118,760.24, 163,890.88 and 65,050.24

Step by Step Solution

1. Step 1: Write the proportion equation
   118,760.24 : 163,890.88 = 65,050.24 : x
2. Step 2: Convert to fraction form
   118,760.24/163,890.88 = 65,050.24/x
3. Step 3: Cross multiply
   118,760.24x = 163,890.88 × 65,050.24
4. Step 4: Simplify right side
   118,760.24x = 10,661,141,077.81
5. Step 5: Solve for x
   x = 10,661,141,077.81/118,760.24
6. Step 6: Final answer
   x = 89,770.29