Finding the Fourth Proportional to 3,872.72, 5,804.76 and 1,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.72 : 5,804.76 = 1,530.56 : x
2. Step 2: Convert to fraction form
   3,872.72/5,804.76 = 1,530.56/x
3. Step 3: Cross multiply
   3,872.72x = 5,804.76 × 1,530.56
4. Step 4: Simplify right side
   3,872.72x = 8,884,533.47
5. Step 5: Solve for x
   x = 8,884,533.47/3,872.72
6. Step 6: Final answer
   x = 2,294.13