Finding the Fourth Proportional to 2,578.01, 3,557.94 and 1,530.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.01 : 3,557.94 = 1,530.14 : x
2. Step 2: Convert to fraction form
   2,578.01/3,557.94 = 1,530.14/x
3. Step 3: Cross multiply
   2,578.01x = 3,557.94 × 1,530.14
4. Step 4: Simplify right side
   2,578.01x = 5,444,146.31
5. Step 5: Solve for x
   x = 5,444,146.31/2,578.01
6. Step 6: Final answer
   x = 2,111.76