Finding the Fourth Proportional to 35,727.86, 53,594.22 and 12,356.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,727.86 : 53,594.22 = 12,356.12 : x
2. Step 2: Convert to fraction form
   35,727.86/53,594.22 = 12,356.12/x
3. Step 3: Cross multiply
   35,727.86x = 53,594.22 × 12,356.12
4. Step 4: Simplify right side
   35,727.86x = 662,216,613.63
5. Step 5: Solve for x
   x = 662,216,613.63/35,727.86
6. Step 6: Final answer
   x = 18,535.02