Finding the Fourth Proportional to 1,532.58, 2,115.59 and 1,036.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.58 : 2,115.59 = 1,036.07 : x
2. Step 2: Convert to fraction form
   1,532.58/2,115.59 = 1,036.07/x
3. Step 3: Cross multiply
   1,532.58x = 2,115.59 × 1,036.07
4. Step 4: Simplify right side
   1,532.58x = 2,191,899.33
5. Step 5: Solve for x
   x = 2,191,899.33/1,532.58
6. Step 6: Final answer
   x = 1,430.20