Finding the Fourth Proportional to 21,500.36, 32,250.72 and 5,918.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,500.36 : 32,250.72 = 5,918.84 : x
2. Step 2: Convert to fraction form
   21,500.36/32,250.72 = 5,918.84/x
3. Step 3: Cross multiply
   21,500.36x = 32,250.72 × 5,918.84
4. Step 4: Simplify right side
   21,500.36x = 190,886,851.56
5. Step 5: Solve for x
   x = 190,886,851.56/21,500.36
6. Step 6: Final answer
   x = 8,878.31