Finding the Fourth Proportional to 115,059.34, 158,780.01 and 64,758.34

Step by Step Solution

1. Step 1: Write the proportion equation
   115,059.34 : 158,780.01 = 64,758.34 : x
2. Step 2: Convert to fraction form
   115,059.34/158,780.01 = 64,758.34/x
3. Step 3: Cross multiply
   115,059.34x = 158,780.01 × 64,758.34
4. Step 4: Simplify right side
   115,059.34x = 10,282,329,872.78
5. Step 5: Solve for x
   x = 10,282,329,872.78/115,059.34
6. Step 6: Final answer
   x = 89,365.45