Finding the Fourth Proportional to 10,055.45, 15,073.37 and 4,789.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.45 : 15,073.37 = 4,789.05 : x
2. Step 2: Convert to fraction form
   10,055.45/15,073.37 = 4,789.05/x
3. Step 3: Cross multiply
   10,055.45x = 15,073.37 × 4,789.05
4. Step 4: Simplify right side
   10,055.45x = 72,187,098.65
5. Step 5: Solve for x
   x = 72,187,098.65/10,055.45
6. Step 6: Final answer
   x = 7,178.91