Finding the Fourth Proportional to 1,530.56, 2,110.20 and 1,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.56 : 2,110.20 = 1,111.52 : x
2. Step 2: Convert to fraction form
   1,530.56/2,110.20 = 1,111.52/x
3. Step 3: Cross multiply
   1,530.56x = 2,110.20 × 1,111.52
4. Step 4: Simplify right side
   1,530.56x = 2,345,529.50
5. Step 5: Solve for x
   x = 2,345,529.50/1,530.56
6. Step 6: Final answer
   x = 1,532.46