Finding the Fourth Proportional to 5,077.89, 7,615.89 and 2,303.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,077.89 : 7,615.89 = 2,303.90 : x
2. Step 2: Convert to fraction form
   5,077.89/7,615.89 = 2,303.90/x
3. Step 3: Cross multiply
   5,077.89x = 7,615.89 × 2,303.90
4. Step 4: Simplify right side
   5,077.89x = 17,546,210.89
5. Step 5: Solve for x
   x = 17,546,210.89/5,077.89
6. Step 6: Final answer
   x = 3,455.41