Finding the Fourth Proportional to 2,789.02, 3,848.90 and 1,530.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.02 : 3,848.90 = 1,530.20 : x
2. Step 2: Convert to fraction form
   2,789.02/3,848.90 = 1,530.20/x
3. Step 3: Cross multiply
   2,789.02x = 3,848.90 × 1,530.20
4. Step 4: Simplify right side
   2,789.02x = 5,889,559.88
5. Step 5: Solve for x
   x = 5,889,559.88/2,789.02
6. Step 6: Final answer
   x = 2,111.70