Finding the Fourth Proportional to 115,487.46, 158,215.16 and 111,169.95

Step by Step Solution

1. Step 1: Write the proportion equation
   115,487.46 : 158,215.16 = 111,169.95 : x
2. Step 2: Convert to fraction form
   115,487.46/158,215.16 = 111,169.95/x
3. Step 3: Cross multiply
   115,487.46x = 158,215.16 × 111,169.95
4. Step 4: Simplify right side
   115,487.46x = 17,588,770,870.59
5. Step 5: Solve for x
   x = 17,588,770,870.59/115,487.46
6. Step 6: Final answer
   x = 152,300.27