Finding the Fourth Proportional to 35,408.72, 53,112.12 and 10,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,408.72 : 53,112.12 = 10,784.72 : x
2. Step 2: Convert to fraction form
   35,408.72/53,112.12 = 10,784.72/x
3. Step 3: Cross multiply
   35,408.72x = 53,112.12 × 10,784.72
4. Step 4: Simplify right side
   35,408.72x = 572,799,342.81
5. Step 5: Solve for x
   x = 572,799,342.81/35,408.72
6. Step 6: Final answer
   x = 16,176.79