Finding the Fourth Proportional to 115,336.76, 159,171.83 and 64,349.59

Step by Step Solution

1. Step 1: Write the proportion equation
   115,336.76 : 159,171.83 = 64,349.59 : x
2. Step 2: Convert to fraction form
   115,336.76/159,171.83 = 64,349.59/x
3. Step 3: Cross multiply
   115,336.76x = 159,171.83 × 64,349.59
4. Step 4: Simplify right side
   115,336.76x = 10,242,642,182.10
5. Step 5: Solve for x
   x = 10,242,642,182.10/115,336.76
6. Step 6: Final answer
   x = 88,806.40