Finding the Fourth Proportional to 1,336.92, 1,845.06 and 887.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.92 : 1,845.06 = 887.99 : x
2. Step 2: Convert to fraction form
   1,336.92/1,845.06 = 887.99/x
3. Step 3: Cross multiply
   1,336.92x = 1,845.06 × 887.99
4. Step 4: Simplify right side
   1,336.92x = 1,638,394.83
5. Step 5: Solve for x
   x = 1,638,394.83/1,336.92
6. Step 6: Final answer
   x = 1,225.50