Finding the Fourth Proportional to 35,808.37, 53,698.68 and 12,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,808.37 : 53,698.68 = 12,109.59 : x
2. Step 2: Convert to fraction form
   35,808.37/53,698.68 = 12,109.59/x
3. Step 3: Cross multiply
   35,808.37x = 53,698.68 × 12,109.59
4. Step 4: Simplify right side
   35,808.37x = 650,268,998.34
5. Step 5: Solve for x
   x = 650,268,998.34/35,808.37
6. Step 6: Final answer
   x = 18,159.69