Finding the Fourth Proportional to 1,547.76, 2,135.98 and 884.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.76 : 2,135.98 = 884.82 : x
2. Step 2: Convert to fraction form
   1,547.76/2,135.98 = 884.82/x
3. Step 3: Cross multiply
   1,547.76x = 2,135.98 × 884.82
4. Step 4: Simplify right side
   1,547.76x = 1,889,957.82
5. Step 5: Solve for x
   x = 1,889,957.82/1,547.76
6. Step 6: Final answer
   x = 1,221.09