Finding the Fourth Proportional to 1,062.31, 1,582.51 and 1,030.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.31 : 1,582.51 = 1,030.07 : x
2. Step 2: Convert to fraction form
   1,062.31/1,582.51 = 1,030.07/x
3. Step 3: Cross multiply
   1,062.31x = 1,582.51 × 1,030.07
4. Step 4: Simplify right side
   1,062.31x = 1,630,096.08
5. Step 5: Solve for x
   x = 1,630,096.08/1,062.31
6. Step 6: Final answer
   x = 1,534.48