Finding the Fourth Proportional to 21,858.48, 32,780.76 and 7,063.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,858.48 : 32,780.76 = 7,063.86 : x
2. Step 2: Convert to fraction form
   21,858.48/32,780.76 = 7,063.86/x
3. Step 3: Cross multiply
   21,858.48x = 32,780.76 × 7,063.86
4. Step 4: Simplify right side
   21,858.48x = 231,558,699.33
5. Step 5: Solve for x
   x = 231,558,699.33/21,858.48
6. Step 6: Final answer
   x = 10,593.54