Finding the Fourth Proportional to 21,852.61, 32,774.58 and 10,003.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,852.61 : 32,774.58 = 10,003.18 : x
2. Step 2: Convert to fraction form
   21,852.61/32,774.58 = 10,003.18/x
3. Step 3: Cross multiply
   21,852.61x = 32,774.58 × 10,003.18
4. Step 4: Simplify right side
   21,852.61x = 327,849,859.29
5. Step 5: Solve for x
   x = 327,849,859.29/21,852.61
6. Step 6: Final answer
   x = 15,002.78