Finding the Fourth Proportional to 6,145.98, 8,484.35 and 4,159.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.98 : 8,484.35 = 4,159.76 : x
2. Step 2: Convert to fraction form
   6,145.98/8,484.35 = 4,159.76/x
3. Step 3: Cross multiply
   6,145.98x = 8,484.35 × 4,159.76
4. Step 4: Simplify right side
   6,145.98x = 35,292,796.54
5. Step 5: Solve for x
   x = 35,292,796.54/6,145.98
6. Step 6: Final answer
   x = 5,742.42