Finding the Fourth Proportional to 21,419.49, 32,128.91 and 5,837.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,419.49 : 32,128.91 = 5,837.07 : x
2. Step 2: Convert to fraction form
   21,419.49/32,128.91 = 5,837.07/x
3. Step 3: Cross multiply
   21,419.49x = 32,128.91 × 5,837.07
4. Step 4: Simplify right side
   21,419.49x = 187,538,667.51
5. Step 5: Solve for x
   x = 187,538,667.51/21,419.49
6. Step 6: Final answer
   x = 8,755.52