Finding the Fourth Proportional to 35,793.86, 53,697.69 and 13,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,793.86 : 53,697.69 = 13,605.50 : x
2. Step 2: Convert to fraction form
   35,793.86/53,697.69 = 13,605.50/x
3. Step 3: Cross multiply
   35,793.86x = 53,697.69 × 13,605.50
4. Step 4: Simplify right side
   35,793.86x = 730,583,652.81
5. Step 5: Solve for x
   x = 730,583,652.81/35,793.86
6. Step 6: Final answer
   x = 20,410.87