Finding the Fourth Proportional to 1,047.89, 1,569.69 and 547.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.89 : 1,569.69 = 547.52 : x
2. Step 2: Convert to fraction form
   1,047.89/1,569.69 = 547.52/x
3. Step 3: Cross multiply
   1,047.89x = 1,569.69 × 547.52
4. Step 4: Simplify right side
   1,047.89x = 859,428.82
5. Step 5: Solve for x
   x = 859,428.82/1,047.89
6. Step 6: Final answer
   x = 820.16