Finding the Fourth Proportional to 35,705.74, 53,564.69 and 12,326.71

Step by Step Solution

1. Step 1: Write the proportion equation
   35,705.74 : 53,564.69 = 12,326.71 : x
2. Step 2: Convert to fraction form
   35,705.74/53,564.69 = 12,326.71/x
3. Step 3: Cross multiply
   35,705.74x = 53,564.69 × 12,326.71
4. Step 4: Simplify right side
   35,705.74x = 660,276,399.87
5. Step 5: Solve for x
   x = 660,276,399.87/35,705.74
6. Step 6: Final answer
   x = 18,492.16