Finding the Fourth Proportional to 35,308.09, 52,928.52 and 13,106.26

Step by Step Solution

1. Step 1: Write the proportion equation
   35,308.09 : 52,928.52 = 13,106.26 : x
2. Step 2: Convert to fraction form
   35,308.09/52,928.52 = 13,106.26/x
3. Step 3: Cross multiply
   35,308.09x = 52,928.52 × 13,106.26
4. Step 4: Simplify right side
   35,308.09x = 693,694,944.54
5. Step 5: Solve for x
   x = 693,694,944.54/35,308.09
6. Step 6: Final answer
   x = 19,646.91