Finding the Fourth Proportional to 5,886.72, 8,808.96 and 5,115.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.72 : 8,808.96 = 5,115.72 : x
2. Step 2: Convert to fraction form
   5,886.72/8,808.96 = 5,115.72/x
3. Step 3: Cross multiply
   5,886.72x = 8,808.96 × 5,115.72
4. Step 4: Simplify right side
   5,886.72x = 45,064,172.85
5. Step 5: Solve for x
   x = 45,064,172.85/5,886.72
6. Step 6: Final answer
   x = 7,655.23