Finding the Fourth Proportional to 3,870.15, 5,804.69 and 1,529.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.15 : 5,804.69 = 1,529.56 : x
2. Step 2: Convert to fraction form
   3,870.15/5,804.69 = 1,529.56/x
3. Step 3: Cross multiply
   3,870.15x = 5,804.69 × 1,529.56
4. Step 4: Simplify right side
   3,870.15x = 8,878,609.22
5. Step 5: Solve for x
   x = 8,878,609.22/3,870.15
6. Step 6: Final answer
   x = 2,294.12