Finding the Fourth Proportional to 10,923.39, 15,079.95 and 7,357.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.39 : 15,079.95 = 7,357.05 : x
2. Step 2: Convert to fraction form
   10,923.39/15,079.95 = 7,357.05/x
3. Step 3: Cross multiply
   10,923.39x = 15,079.95 × 7,357.05
4. Step 4: Simplify right side
   10,923.39x = 110,943,946.15
5. Step 5: Solve for x
   x = 110,943,946.15/10,923.39
6. Step 6: Final answer
   x = 10,156.55