Finding the Fourth Proportional to 27,518.56, 37,976.46 and 15,581.59

Step by Step Solution

1. Step 1: Write the proportion equation
   27,518.56 : 37,976.46 = 15,581.59 : x
2. Step 2: Convert to fraction form
   27,518.56/37,976.46 = 15,581.59/x
3. Step 3: Cross multiply
   27,518.56x = 37,976.46 × 15,581.59
4. Step 4: Simplify right side
   27,518.56x = 591,733,476.00
5. Step 5: Solve for x
   x = 591,733,476.00/27,518.56
6. Step 6: Final answer
   x = 21,503.07