Finding the Fourth Proportional to 1,530.06, 2,110.78 and 1,109.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.06 : 2,110.78 = 1,109.49 : x
2. Step 2: Convert to fraction form
   1,530.06/2,110.78 = 1,109.49/x
3. Step 3: Cross multiply
   1,530.06x = 2,110.78 × 1,109.49
4. Step 4: Simplify right side
   1,530.06x = 2,341,889.30
5. Step 5: Solve for x
   x = 2,341,889.30/1,530.06
6. Step 6: Final answer
   x = 1,530.59