Finding the Fourth Proportional to 1,845.47, 2,547.25 and 1,247.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.47 : 2,547.25 = 1,247.69 : x
2. Step 2: Convert to fraction form
   1,845.47/2,547.25 = 1,247.69/x
3. Step 3: Cross multiply
   1,845.47x = 2,547.25 × 1,247.69
4. Step 4: Simplify right side
   1,845.47x = 3,178,181.60
5. Step 5: Solve for x
   x = 3,178,181.60/1,845.47
6. Step 6: Final answer
   x = 1,722.15