Finding the Fourth Proportional to 115,151.10, 158,905.59 and 64,164.06

Step by Step Solution

1. Step 1: Write the proportion equation
   115,151.10 : 158,905.59 = 64,164.06 : x
2. Step 2: Convert to fraction form
   115,151.10/158,905.59 = 64,164.06/x
3. Step 3: Cross multiply
   115,151.10x = 158,905.59 × 64,164.06
4. Step 4: Simplify right side
   115,151.10x = 10,196,027,811.10
5. Step 5: Solve for x
   x = 10,196,027,811.10/115,151.10
6. Step 6: Final answer
   x = 88,544.77