Finding the Fourth Proportional to 2,789.15, 3,848.90 and 1,530.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.15 : 3,848.90 = 1,530.18 : x
2. Step 2: Convert to fraction form
   2,789.15/3,848.90 = 1,530.18/x
3. Step 3: Cross multiply
   2,789.15x = 3,848.90 × 1,530.18
4. Step 4: Simplify right side
   2,789.15x = 5,889,513.63
5. Step 5: Solve for x
   x = 5,889,513.63/2,789.15
6. Step 6: Final answer
   x = 2,111.58