Finding the Fourth Proportional to 11,088.84, 15,305.18 and 7,312.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,088.84 : 15,305.18 = 7,312.69 : x
2. Step 2: Convert to fraction form
   11,088.84/15,305.18 = 7,312.69/x
3. Step 3: Cross multiply
   11,088.84x = 15,305.18 × 7,312.69
4. Step 4: Simplify right side
   11,088.84x = 111,922,019.30
5. Step 5: Solve for x
   x = 111,922,019.30/11,088.84
6. Step 6: Final answer
   x = 10,093.21