Finding the Fourth Proportional to 35,600.72, 53,404.72 and 9,305.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,600.72 : 53,404.72 = 9,305.69 : x
2. Step 2: Convert to fraction form
   35,600.72/53,404.72 = 9,305.69/x
3. Step 3: Cross multiply
   35,600.72x = 53,404.72 × 9,305.69
4. Step 4: Simplify right side
   35,600.72x = 496,967,478.57
5. Step 5: Solve for x
   x = 496,967,478.57/35,600.72
6. Step 6: Final answer
   x = 13,959.48