Finding the Fourth Proportional to 4,752.15, 7,117.80 and 3,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,752.15 : 7,117.80 = 3,080.42 : x
2. Step 2: Convert to fraction form
   4,752.15/7,117.80 = 3,080.42/x
3. Step 3: Cross multiply
   4,752.15x = 7,117.80 × 3,080.42
4. Step 4: Simplify right side
   4,752.15x = 21,925,777.89
5. Step 5: Solve for x
   x = 21,925,777.89/4,752.15
6. Step 6: Final answer
   x = 4,613.86