Finding the Fourth Proportional to 3,547.53, 5,315.22 and 1,899.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.53 : 5,315.22 = 1,899.18 : x
2. Step 2: Convert to fraction form
   3,547.53/5,315.22 = 1,899.18/x
3. Step 3: Cross multiply
   3,547.53x = 5,315.22 × 1,899.18
4. Step 4: Simplify right side
   3,547.53x = 10,094,559.52
5. Step 5: Solve for x
   x = 10,094,559.52/3,547.53
6. Step 6: Final answer
   x = 2,845.52