Finding the Fourth Proportional to 5,913.34, 8,870.72 and 2,402.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,913.34 : 8,870.72 = 2,402.60 : x
2. Step 2: Convert to fraction form
   5,913.34/8,870.72 = 2,402.60/x
3. Step 3: Cross multiply
   5,913.34x = 8,870.72 × 2,402.60
4. Step 4: Simplify right side
   5,913.34x = 21,312,735.51
5. Step 5: Solve for x
   x = 21,312,735.51/5,913.34
6. Step 6: Final answer
   x = 3,604.18