Finding the Fourth Proportional to 21,498.71, 32,164.61 and 18,846.26

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.71 : 32,164.61 = 18,846.26 : x
2. Step 2: Convert to fraction form
   21,498.71/32,164.61 = 18,846.26/x
3. Step 3: Cross multiply
   21,498.71x = 32,164.61 × 18,846.26
4. Step 4: Simplify right side
   21,498.71x = 606,182,347.80
5. Step 5: Solve for x
   x = 606,182,347.80/21,498.71
6. Step 6: Final answer
   x = 28,196.23