Finding the Fourth Proportional to 21,782.61, 32,686.52 and 10,095.21

Step by Step Solution

1. Step 1: Write the proportion equation
   21,782.61 : 32,686.52 = 10,095.21 : x
2. Step 2: Convert to fraction form
   21,782.61/32,686.52 = 10,095.21/x
3. Step 3: Cross multiply
   21,782.61x = 32,686.52 × 10,095.21
4. Step 4: Simplify right side
   21,782.61x = 329,977,233.09
5. Step 5: Solve for x
   x = 329,977,233.09/21,782.61
6. Step 6: Final answer
   x = 15,148.65