Finding the Fourth Proportional to 19,571.02, 27,007.94 and 10,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,571.02 : 27,007.94 = 10,618.50 : x
2. Step 2: Convert to fraction form
   19,571.02/27,007.94 = 10,618.50/x
3. Step 3: Cross multiply
   19,571.02x = 27,007.94 × 10,618.50
4. Step 4: Simplify right side
   19,571.02x = 286,783,810.89
5. Step 5: Solve for x
   x = 286,783,810.89/19,571.02
6. Step 6: Final answer
   x = 14,653.49