Finding the Fourth Proportional to 11,068.68, 15,270.56 and 7,089.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,068.68 : 15,270.56 = 7,089.12 : x
2. Step 2: Convert to fraction form
   11,068.68/15,270.56 = 7,089.12/x
3. Step 3: Cross multiply
   11,068.68x = 15,270.56 × 7,089.12
4. Step 4: Simplify right side
   11,068.68x = 108,254,832.31
5. Step 5: Solve for x
   x = 108,254,832.31/11,068.68
6. Step 6: Final answer
   x = 9,780.28