Finding the Fourth Proportional to 3,870.22, 5,803.42 and 1,404.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.22 : 5,803.42 = 1,404.67 : x
2. Step 2: Convert to fraction form
   3,870.22/5,803.42 = 1,404.67/x
3. Step 3: Cross multiply
   3,870.22x = 5,803.42 × 1,404.67
4. Step 4: Simplify right side
   3,870.22x = 8,151,889.97
5. Step 5: Solve for x
   x = 8,151,889.97/3,870.22
6. Step 6: Final answer
   x = 2,106.31