Finding the Fourth Proportional to 7,377.06, 11,064.51 and 3,865.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,377.06 : 11,064.51 = 3,865.89 : x
2. Step 2: Convert to fraction form
   7,377.06/11,064.51 = 3,865.89/x
3. Step 3: Cross multiply
   7,377.06x = 11,064.51 × 3,865.89
4. Step 4: Simplify right side
   7,377.06x = 42,774,178.56
5. Step 5: Solve for x
   x = 42,774,178.56/7,377.06
6. Step 6: Final answer
   x = 5,798.27