Finding the Fourth Proportional to 10,087.84, 15,118.62 and 5,153.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.84 : 15,118.62 = 5,153.32 : x
2. Step 2: Convert to fraction form
   10,087.84/15,118.62 = 5,153.32/x
3. Step 3: Cross multiply
   10,087.84x = 15,118.62 × 5,153.32
4. Step 4: Simplify right side
   10,087.84x = 77,911,086.82
5. Step 5: Solve for x
   x = 77,911,086.82/10,087.84
6. Step 6: Final answer
   x = 7,723.27