Finding the Fourth Proportional to 21,503, 32,250.54 and 5,918.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,503 : 32,250.54 = 5,918.60 : x
2. Step 2: Convert to fraction form
   21,503/32,250.54 = 5,918.60/x
3. Step 3: Cross multiply
   21,503x = 32,250.54 × 5,918.60
4. Step 4: Simplify right side
   21,503x = 190,878,046.04
5. Step 5: Solve for x
   x = 190,878,046.04/21,503
6. Step 6: Final answer
   x = 8,876.81