Finding the Fourth Proportional to 3,645.25, 5,468.69 and 1,047.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.25 : 5,468.69 = 1,047.98 : x
2. Step 2: Convert to fraction form
   3,645.25/5,468.69 = 1,047.98/x
3. Step 3: Cross multiply
   3,645.25x = 5,468.69 × 1,047.98
4. Step 4: Simplify right side
   3,645.25x = 5,731,086.18
5. Step 5: Solve for x
   x = 5,731,086.18/3,645.25
6. Step 6: Final answer
   x = 1,572.21