Finding the Fourth Proportional to 10,357.08, 15,524.45 and 5,085.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.08 : 15,524.45 = 5,085.96 : x
2. Step 2: Convert to fraction form
   10,357.08/15,524.45 = 5,085.96/x
3. Step 3: Cross multiply
   10,357.08x = 15,524.45 × 5,085.96
4. Step 4: Simplify right side
   10,357.08x = 78,956,731.72
5. Step 5: Solve for x
   x = 78,956,731.72/10,357.08
6. Step 6: Final answer
   x = 7,623.45