Finding the Fourth Proportional to 1,071.82, 1,607.73 and 341.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.82 : 1,607.73 = 341.51 : x
2. Step 2: Convert to fraction form
   1,071.82/1,607.73 = 341.51/x
3. Step 3: Cross multiply
   1,071.82x = 1,607.73 × 341.51
4. Step 4: Simplify right side
   1,071.82x = 549,047.83
5. Step 5: Solve for x
   x = 549,047.83/1,071.82
6. Step 6: Final answer
   x = 512.26