Finding the Fourth Proportional to 10,386.01, 15,576.69 and 2,988.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.01 : 15,576.69 = 2,988.82 : x
2. Step 2: Convert to fraction form
   10,386.01/15,576.69 = 2,988.82/x
3. Step 3: Cross multiply
   10,386.01x = 15,576.69 × 2,988.82
4. Step 4: Simplify right side
   10,386.01x = 46,555,922.61
5. Step 5: Solve for x
   x = 46,555,922.61/10,386.01
6. Step 6: Final answer
   x = 4,482.56