Finding the Fourth Proportional to 32,814.72, 45,268.55 and 21,479.22

Step by Step Solution

1. Step 1: Write the proportion equation
   32,814.72 : 45,268.55 = 21,479.22 : x
2. Step 2: Convert to fraction form
   32,814.72/45,268.55 = 21,479.22/x
3. Step 3: Cross multiply
   32,814.72x = 45,268.55 × 21,479.22
4. Step 4: Simplify right side
   32,814.72x = 972,333,144.53
5. Step 5: Solve for x
   x = 972,333,144.53/32,814.72
6. Step 6: Final answer
   x = 29,631.01