Finding the Fourth Proportional to 6,756.72, 10,090.72 and 5,758.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,756.72 : 10,090.72 = 5,758.90 : x
2. Step 2: Convert to fraction form
   6,756.72/10,090.72 = 5,758.90/x
3. Step 3: Cross multiply
   6,756.72x = 10,090.72 × 5,758.90
4. Step 4: Simplify right side
   6,756.72x = 58,111,418.61
5. Step 5: Solve for x
   x = 58,111,418.61/6,756.72
6. Step 6: Final answer
   x = 8,600.54