Finding the Fourth Proportional to 21,498.91, 32,164.93 and 18,846.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.91 : 32,164.93 = 18,846.46 : x
2. Step 2: Convert to fraction form
   21,498.91/32,164.93 = 18,846.46/x
3. Step 3: Cross multiply
   21,498.91x = 32,164.93 × 18,846.46
4. Step 4: Simplify right side
   21,498.91x = 606,195,066.65
5. Step 5: Solve for x
   x = 606,195,066.65/21,498.91
6. Step 6: Final answer
   x = 28,196.55