Finding the Fourth Proportional to 115,175.16, 158,947.12 and 67,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   115,175.16 : 158,947.12 = 67,443.88 : x
2. Step 2: Convert to fraction form
   115,175.16/158,947.12 = 67,443.88/x
3. Step 3: Cross multiply
   115,175.16x = 158,947.12 × 67,443.88
4. Step 4: Simplify right side
   115,175.16x = 10,720,010,487.63
5. Step 5: Solve for x
   x = 10,720,010,487.63/115,175.16
6. Step 6: Final answer
   x = 93,075.72