Finding the Fourth Proportional to 1,530.78, 2,111.29 and 1,032.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.78 : 2,111.29 = 1,032.63 : x
2. Step 2: Convert to fraction form
   1,530.78/2,111.29 = 1,032.63/x
3. Step 3: Cross multiply
   1,530.78x = 2,111.29 × 1,032.63
4. Step 4: Simplify right side
   1,530.78x = 2,180,181.39
5. Step 5: Solve for x
   x = 2,180,181.39/1,530.78
6. Step 6: Final answer
   x = 1,424.23