Finding the Fourth Proportional to 19,287.61, 28,925.53 and 6,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,287.61 : 28,925.53 = 6,804.72 : x
2. Step 2: Convert to fraction form
   19,287.61/28,925.53 = 6,804.72/x
3. Step 3: Cross multiply
   19,287.61x = 28,925.53 × 6,804.72
4. Step 4: Simplify right side
   19,287.61x = 196,830,196.84
5. Step 5: Solve for x
   x = 196,830,196.84/19,287.61
6. Step 6: Final answer
   x = 10,205.01