Finding the Fourth Proportional to 115,494.17, 159,371.59 and 64,499.83

Step by Step Solution

1. Step 1: Write the proportion equation
   115,494.17 : 159,371.59 = 64,499.83 : x
2. Step 2: Convert to fraction form
   115,494.17/159,371.59 = 64,499.83/x
3. Step 3: Cross multiply
   115,494.17x = 159,371.59 × 64,499.83
4. Step 4: Simplify right side
   115,494.17x = 10,279,440,461.83
5. Step 5: Solve for x
   x = 10,279,440,461.83/115,494.17
6. Step 6: Final answer
   x = 89,003.98