Finding the Fourth Proportional to 111,960.32, 167,940.16 and 28,853.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,960.32 : 167,940.16 = 28,853.76 : x
2. Step 2: Convert to fraction form
   111,960.32/167,940.16 = 28,853.76/x
3. Step 3: Cross multiply
   111,960.32x = 167,940.16 × 28,853.76
4. Step 4: Simplify right side
   111,960.32x = 4,845,705,071.00
5. Step 5: Solve for x
   x = 4,845,705,071.00/111,960.32
6. Step 6: Final answer
   x = 43,280.56