Finding the Fourth Proportional to 27,019.58, 37,289.83 and 15,087.02

Step by Step Solution

1. Step 1: Write the proportion equation
   27,019.58 : 37,289.83 = 15,087.02 : x
2. Step 2: Convert to fraction form
   27,019.58/37,289.83 = 15,087.02/x
3. Step 3: Cross multiply
   27,019.58x = 37,289.83 × 15,087.02
4. Step 4: Simplify right side
   27,019.58x = 562,592,411.01
5. Step 5: Solve for x
   x = 562,592,411.01/27,019.58
6. Step 6: Final answer
   x = 20,821.66