Finding the Fourth Proportional to 1,511.00, 2,085.50 and 913.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.00 : 2,085.50 = 913.38 : x
2. Step 2: Convert to fraction form
   1,511.00/2,085.50 = 913.38/x
3. Step 3: Cross multiply
   1,511.00x = 2,085.50 × 913.38
4. Step 4: Simplify right side
   1,511.00x = 1,904,843.32
5. Step 5: Solve for x
   x = 1,904,843.32/1,511.00
6. Step 6: Final answer
   x = 1,260.65