Finding the Fourth Proportional to 1,345.51, 1,856.35 and 755.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.51 : 1,856.35 = 755.93 : x
2. Step 2: Convert to fraction form
   1,345.51/1,856.35 = 755.93/x
3. Step 3: Cross multiply
   1,345.51x = 1,856.35 × 755.93
4. Step 4: Simplify right side
   1,345.51x = 1,403,270.66
5. Step 5: Solve for x
   x = 1,403,270.66/1,345.51
6. Step 6: Final answer
   x = 1,042.93