Finding the Fourth Proportional to 115,061.34, 158,782.77 and 64,760.34

Step by Step Solution

1. Step 1: Write the proportion equation
   115,061.34 : 158,782.77 = 64,760.34 : x
2. Step 2: Convert to fraction form
   115,061.34/158,782.77 = 64,760.34/x
3. Step 3: Cross multiply
   115,061.34x = 158,782.77 × 64,760.34
4. Step 4: Simplify right side
   115,061.34x = 10,282,826,171.34
5. Step 5: Solve for x
   x = 10,282,826,171.34/115,061.34
6. Step 6: Final answer
   x = 89,368.21