Finding the Fourth Proportional to 115,285.82, 159,094.04 and 64,298.61

Step by Step Solution

1. Step 1: Write the proportion equation
   115,285.82 : 159,094.04 = 64,298.61 : x
2. Step 2: Convert to fraction form
   115,285.82/159,094.04 = 64,298.61/x
3. Step 3: Cross multiply
   115,285.82x = 159,094.04 × 64,298.61
4. Step 4: Simplify right side
   115,285.82x = 10,229,525,309.79
5. Step 5: Solve for x
   x = 10,229,525,309.79/115,285.82
6. Step 6: Final answer
   x = 88,731.86