Finding the Fourth Proportional to 32,784.09, 45,198.50 and 21,434.08

Step by Step Solution

1. Step 1: Write the proportion equation
   32,784.09 : 45,198.50 = 21,434.08 : x
2. Step 2: Convert to fraction form
   32,784.09/45,198.50 = 21,434.08/x
3. Step 3: Cross multiply
   32,784.09x = 45,198.50 × 21,434.08
4. Step 4: Simplify right side
   32,784.09x = 968,787,931.72
5. Step 5: Solve for x
   x = 968,787,931.72/32,784.09
6. Step 6: Final answer
   x = 29,550.55