Finding the Fourth Proportional to 1,345.38, 1,856.52 and 756.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.38 : 1,856.52 = 756.01 : x
2. Step 2: Convert to fraction form
   1,345.38/1,856.52 = 756.01/x
3. Step 3: Cross multiply
   1,345.38x = 1,856.52 × 756.01
4. Step 4: Simplify right side
   1,345.38x = 1,403,547.69
5. Step 5: Solve for x
   x = 1,403,547.69/1,345.38
6. Step 6: Final answer
   x = 1,043.24