Finding the Fourth Proportional to 10,761.04, 16,128.18 and 7,636.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761.04 : 16,128.18 = 7,636.06 : x
2. Step 2: Convert to fraction form
   10,761.04/16,128.18 = 7,636.06/x
3. Step 3: Cross multiply
   10,761.04x = 16,128.18 × 7,636.06
4. Step 4: Simplify right side
   10,761.04x = 123,155,750.17
5. Step 5: Solve for x
   x = 123,155,750.17/10,761.04
6. Step 6: Final answer
   x = 11,444.60