Finding the Fourth Proportional to 35,725.86, 53,591.22 and 12,354.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,725.86 : 53,591.22 = 12,354.12 : x
2. Step 2: Convert to fraction form
   35,725.86/53,591.22 = 12,354.12/x
3. Step 3: Cross multiply
   35,725.86x = 53,591.22 × 12,354.12
4. Step 4: Simplify right side
   35,725.86x = 662,072,362.83
5. Step 5: Solve for x
   x = 662,072,362.83/35,725.86
6. Step 6: Final answer
   x = 18,532.02