Finding the Fourth Proportional to 1,063.13, 1,602.32 and 1,003.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.13 : 1,602.32 = 1,003.59 : x
2. Step 2: Convert to fraction form
   1,063.13/1,602.32 = 1,003.59/x
3. Step 3: Cross multiply
   1,063.13x = 1,602.32 × 1,003.59
4. Step 4: Simplify right side
   1,063.13x = 1,608,067.31
5. Step 5: Solve for x
   x = 1,608,067.31/1,063.13
6. Step 6: Final answer
   x = 1,512.59