Finding the Fourth Proportional to 35,333.36, 53,007.82 and 19,561.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,333.36 : 53,007.82 = 19,561.40 : x
2. Step 2: Convert to fraction form
   35,333.36/53,007.82 = 19,561.40/x
3. Step 3: Cross multiply
   35,333.36x = 53,007.82 × 19,561.40
4. Step 4: Simplify right side
   35,333.36x = 1,036,906,856.21
5. Step 5: Solve for x
   x = 1,036,906,856.21/35,333.36
6. Step 6: Final answer
   x = 29,346.40