Finding the Fourth Proportional to 2,192.98, 3,290.55 and 1,547.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.98 : 3,290.55 = 1,547.86 : x
2. Step 2: Convert to fraction form
   2,192.98/3,290.55 = 1,547.86/x
3. Step 3: Cross multiply
   2,192.98x = 3,290.55 × 1,547.86
4. Step 4: Simplify right side
   2,192.98x = 5,093,310.72
5. Step 5: Solve for x
   x = 5,093,310.72/2,192.98
6. Step 6: Final answer
   x = 2,322.55