Finding the Fourth Proportional to 1,345.58, 1,856.82 and 756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.58 : 1,856.82 = 756.08 : x
2. Step 2: Convert to fraction form
   1,345.58/1,856.82 = 756.08/x
3. Step 3: Cross multiply
   1,345.58x = 1,856.82 × 756.08
4. Step 4: Simplify right side
   1,345.58x = 1,403,904.47
5. Step 5: Solve for x
   x = 1,403,904.47/1,345.58
6. Step 6: Final answer
   x = 1,043.35