Finding the Fourth Proportional to 1,071.42, 1,607.18 and 341.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.42 : 1,607.18 = 341.00 : x
2. Step 2: Convert to fraction form
   1,071.42/1,607.18 = 341.00/x
3. Step 3: Cross multiply
   1,071.42x = 1,607.18 × 341.00
4. Step 4: Simplify right side
   1,071.42x = 548,050.69
5. Step 5: Solve for x
   x = 548,050.69/1,071.42
6. Step 6: Final answer
   x = 511.52