Finding the Fourth Proportional to 21,476.03, 32,055.98 and 19,971.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,476.03 : 32,055.98 = 19,971.86 : x
2. Step 2: Convert to fraction form
   21,476.03/32,055.98 = 19,971.86/x
3. Step 3: Cross multiply
   21,476.03x = 32,055.98 × 19,971.86
4. Step 4: Simplify right side
   21,476.03x = 640,217,284.58
5. Step 5: Solve for x
   x = 640,217,284.58/21,476.03
6. Step 6: Final answer
   x = 29,810.79