Finding the Fourth Proportional to 19,782.88, 27,300.24 and 10,830.53

Step by Step Solution

1. Step 1: Write the proportion equation
   19,782.88 : 27,300.24 = 10,830.53 : x
2. Step 2: Convert to fraction form
   19,782.88/27,300.24 = 10,830.53/x
3. Step 3: Cross multiply
   19,782.88x = 27,300.24 × 10,830.53
4. Step 4: Simplify right side
   19,782.88x = 295,676,156.89
5. Step 5: Solve for x
   x = 295,676,156.89/19,782.88
6. Step 6: Final answer
   x = 14,946.06