Finding the Fourth Proportional to 10,003.47, 13,804.93 and 5,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.47 : 13,804.93 = 5,811.72 : x
2. Step 2: Convert to fraction form
   10,003.47/13,804.93 = 5,811.72/x
3. Step 3: Cross multiply
   10,003.47x = 13,804.93 × 5,811.72
4. Step 4: Simplify right side
   10,003.47x = 80,230,387.78
5. Step 5: Solve for x
   x = 80,230,387.78/10,003.47
6. Step 6: Final answer
   x = 8,020.26