Finding the Fourth Proportional to 1,342.61, 1,852.91 and 845.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.61 : 1,852.91 = 845.67 : x
2. Step 2: Convert to fraction form
   1,342.61/1,852.91 = 845.67/x
3. Step 3: Cross multiply
   1,342.61x = 1,852.91 × 845.67
4. Step 4: Simplify right side
   1,342.61x = 1,566,946.17
5. Step 5: Solve for x
   x = 1,566,946.17/1,342.61
6. Step 6: Final answer
   x = 1,167.09