Finding the Fourth Proportional to 21,483.25, 32,223.58 and 12,773.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,483.25 : 32,223.58 = 12,773.59 : x
2. Step 2: Convert to fraction form
   21,483.25/32,223.58 = 12,773.59/x
3. Step 3: Cross multiply
   21,483.25x = 32,223.58 × 12,773.59
4. Step 4: Simplify right side
   21,483.25x = 411,610,799.25
5. Step 5: Solve for x
   x = 411,610,799.25/21,483.25
6. Step 6: Final answer
   x = 19,159.62