Finding the Fourth Proportional to 9,128.93, 12,598.31 and 5,770.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128.93 : 12,598.31 = 5,770.54 : x
2. Step 2: Convert to fraction form
   9,128.93/12,598.31 = 5,770.54/x
3. Step 3: Cross multiply
   9,128.93x = 12,598.31 × 5,770.54
4. Step 4: Simplify right side
   9,128.93x = 72,698,959.94
5. Step 5: Solve for x
   x = 72,698,959.94/9,128.93
6. Step 6: Final answer
   x = 7,963.58