Finding the Fourth Proportional to 35,518.72, 53,276.16 and 10,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,518.72 : 53,276.16 = 10,894.72 : x
2. Step 2: Convert to fraction form
   35,518.72/53,276.16 = 10,894.72/x
3. Step 3: Cross multiply
   35,518.72x = 53,276.16 × 10,894.72
4. Step 4: Simplify right side
   35,518.72x = 580,428,845.88
5. Step 5: Solve for x
   x = 580,428,845.88/35,518.72
6. Step 6: Final answer
   x = 16,341.49