Finding the Fourth Proportional to 7,967.07, 10,987.61 and 5,575.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,967.07 : 10,987.61 = 5,575.83 : x
2. Step 2: Convert to fraction form
   7,967.07/10,987.61 = 5,575.83/x
3. Step 3: Cross multiply
   7,967.07x = 10,987.61 × 5,575.83
4. Step 4: Simplify right side
   7,967.07x = 61,265,017.59
5. Step 5: Solve for x
   x = 61,265,017.59/7,967.07
6. Step 6: Final answer
   x = 7,689.78