Finding the Fourth Proportional to 5,918.56, 8,870.16 and 2,404.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,918.56 : 8,870.16 = 2,404.45 : x
2. Step 2: Convert to fraction form
   5,918.56/8,870.16 = 2,404.45/x
3. Step 3: Cross multiply
   5,918.56x = 8,870.16 × 2,404.45
4. Step 4: Simplify right side
   5,918.56x = 21,327,856.21
5. Step 5: Solve for x
   x = 21,327,856.21/5,918.56
6. Step 6: Final answer
   x = 3,603.55