Finding the Fourth Proportional to 21,339.96, 32,080.05 and 19,798.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,339.96 : 32,080.05 = 19,798.59 : x
2. Step 2: Convert to fraction form
   21,339.96/32,080.05 = 19,798.59/x
3. Step 3: Cross multiply
   21,339.96x = 32,080.05 × 19,798.59
4. Step 4: Simplify right side
   21,339.96x = 635,139,636.83
5. Step 5: Solve for x
   x = 635,139,636.83/21,339.96
6. Step 6: Final answer
   x = 29,762.93