Finding the Fourth Proportional to 10,075.78, 15,116.91 and 4,882.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,075.78 : 15,116.91 = 4,882.06 : x
2. Step 2: Convert to fraction form
   10,075.78/15,116.91 = 4,882.06/x
3. Step 3: Cross multiply
   10,075.78x = 15,116.91 × 4,882.06
4. Step 4: Simplify right side
   10,075.78x = 73,801,661.63
5. Step 5: Solve for x
   x = 73,801,661.63/10,075.78
6. Step 6: Final answer
   x = 7,324.66