Finding the Fourth Proportional to 21,389.48, 32,086.56 and 7,350.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,389.48 : 32,086.56 = 7,350.56 : x
2. Step 2: Convert to fraction form
   21,389.48/32,086.56 = 7,350.56/x
3. Step 3: Cross multiply
   21,389.48x = 32,086.56 × 7,350.56
4. Step 4: Simplify right side
   21,389.48x = 235,854,184.47
5. Step 5: Solve for x
   x = 235,854,184.47/21,389.48
6. Step 6: Final answer
   x = 11,026.64