Finding the Fourth Proportional to 118,567.52, 163,621.98 and 64,853.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,567.52 : 163,621.98 = 64,853.58 : x
2. Step 2: Convert to fraction form
   118,567.52/163,621.98 = 64,853.58/x
3. Step 3: Cross multiply
   118,567.52x = 163,621.98 × 64,853.58
4. Step 4: Simplify right side
   118,567.52x = 10,611,471,169.69
5. Step 5: Solve for x
   x = 10,611,471,169.69/118,567.52
6. Step 6: Final answer
   x = 89,497.29