Finding the Fourth Proportional to 32,814.84, 45,268.72 and 21,479.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,814.84 : 45,268.72 = 21,479.34 : x
2. Step 2: Convert to fraction form
   32,814.84/45,268.72 = 21,479.34/x
3. Step 3: Cross multiply
   32,814.84x = 45,268.72 × 21,479.34
4. Step 4: Simplify right side
   32,814.84x = 972,342,228.24
5. Step 5: Solve for x
   x = 972,342,228.24/32,814.84
6. Step 6: Final answer
   x = 29,631.17