Finding the Fourth Proportional to 35,845.86, 53,773.96 and 12,155.49

Step by Step Solution

1. Step 1: Write the proportion equation
   35,845.86 : 53,773.96 = 12,155.49 : x
2. Step 2: Convert to fraction form
   35,845.86/53,773.96 = 12,155.49/x
3. Step 3: Cross multiply
   35,845.86x = 53,773.96 × 12,155.49
4. Step 4: Simplify right side
   35,845.86x = 653,648,833.04
5. Step 5: Solve for x
   x = 653,648,833.04/35,845.86
6. Step 6: Final answer
   x = 18,234.99