Finding the Fourth Proportional to 21,375.50, 32,065.82 and 8,903.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,375.50 : 32,065.82 = 8,903.98 : x
2. Step 2: Convert to fraction form
   21,375.50/32,065.82 = 8,903.98/x
3. Step 3: Cross multiply
   21,375.50x = 32,065.82 × 8,903.98
4. Step 4: Simplify right side
   21,375.50x = 285,513,419.96
5. Step 5: Solve for x
   x = 285,513,419.96/21,375.50
6. Step 6: Final answer
   x = 13,357.04