Finding the Fourth Proportional to 10,300.91, 15,445.49 and 3,279.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.91 : 15,445.49 = 3,279.56 : x
2. Step 2: Convert to fraction form
   10,300.91/15,445.49 = 3,279.56/x
3. Step 3: Cross multiply
   10,300.91x = 15,445.49 × 3,279.56
4. Step 4: Simplify right side
   10,300.91x = 50,654,317.56
5. Step 5: Solve for x
   x = 50,654,317.56/10,300.91
6. Step 6: Final answer
   x = 4,917.46