Finding the Fourth Proportional to 115,175.52, 158,953.86 and 64,196.55

Step by Step Solution

1. Step 1: Write the proportion equation
   115,175.52 : 158,953.86 = 64,196.55 : x
2. Step 2: Convert to fraction form
   115,175.52/158,953.86 = 64,196.55/x
3. Step 3: Cross multiply
   115,175.52x = 158,953.86 × 64,196.55
4. Step 4: Simplify right side
   115,175.52x = 10,204,289,421.18
5. Step 5: Solve for x
   x = 10,204,289,421.18/115,175.52
6. Step 6: Final answer
   x = 88,597.73