Finding the Fourth Proportional to 118,764.66, 163,895.30 and 65,053.10

Step by Step Solution

1. Step 1: Write the proportion equation
   118,764.66 : 163,895.30 = 65,053.10 : x
2. Step 2: Convert to fraction form
   118,764.66/163,895.30 = 65,053.10/x
3. Step 3: Cross multiply
   118,764.66x = 163,895.30 × 65,053.10
4. Step 4: Simplify right side
   118,764.66x = 10,661,896,195.69
5. Step 5: Solve for x
   x = 10,661,896,195.69/118,764.66
6. Step 6: Final answer
   x = 89,773.31