Finding the Fourth Proportional to 2,547.59, 3,820.91 and 698.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.59 : 3,820.91 = 698.96 : x
2. Step 2: Convert to fraction form
   2,547.59/3,820.91 = 698.96/x
3. Step 3: Cross multiply
   2,547.59x = 3,820.91 × 698.96
4. Step 4: Simplify right side
   2,547.59x = 2,670,669.31
5. Step 5: Solve for x
   x = 2,670,669.31/2,547.59
6. Step 6: Final answer
   x = 1,048.31