Finding the Fourth Proportional to 115,105.41, 158,852.76 and 64,807.65

Step by Step Solution

1. Step 1: Write the proportion equation
   115,105.41 : 158,852.76 = 64,807.65 : x
2. Step 2: Convert to fraction form
   115,105.41/158,852.76 = 64,807.65/x
3. Step 3: Cross multiply
   115,105.41x = 158,852.76 × 64,807.65
4. Step 4: Simplify right side
   115,105.41x = 10,294,874,071.61
5. Step 5: Solve for x
   x = 10,294,874,071.61/115,105.41
6. Step 6: Final answer
   x = 89,438.66