Finding the Fourth Proportional to 3,750.76, 5,626.15 and 977.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,750.76 : 5,626.15 = 977.42 : x
2. Step 2: Convert to fraction form
   3,750.76/5,626.15 = 977.42/x
3. Step 3: Cross multiply
   3,750.76x = 5,626.15 × 977.42
4. Step 4: Simplify right side
   3,750.76x = 5,499,123.15
5. Step 5: Solve for x
   x = 5,499,123.15/3,750.76
6. Step 6: Final answer
   x = 1,466.14