Finding the Fourth Proportional to 10,749.63, 14,845.74 and 7,401.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.63 : 14,845.74 = 7,401.09 : x
2. Step 2: Convert to fraction form
   10,749.63/14,845.74 = 7,401.09/x
3. Step 3: Cross multiply
   10,749.63x = 14,845.74 × 7,401.09
4. Step 4: Simplify right side
   10,749.63x = 109,874,657.86
5. Step 5: Solve for x
   x = 109,874,657.86/10,749.63
6. Step 6: Final answer
   x = 10,221.25