Finding the Fourth Proportional to 6,900.42, 9,522.75 and 3,756.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.42 : 9,522.75 = 3,756.78 : x
2. Step 2: Convert to fraction form
   6,900.42/9,522.75 = 3,756.78/x
3. Step 3: Cross multiply
   6,900.42x = 9,522.75 × 3,756.78
4. Step 4: Simplify right side
   6,900.42x = 35,774,876.75
5. Step 5: Solve for x
   x = 35,774,876.75/6,900.42
6. Step 6: Final answer
   x = 5,184.45