Finding the Fourth Proportional to 27,151.57, 37,470.72 and 15,218.76

Step by Step Solution

1. Step 1: Write the proportion equation
   27,151.57 : 37,470.72 = 15,218.76 : x
2. Step 2: Convert to fraction form
   27,151.57/37,470.72 = 15,218.76/x
3. Step 3: Cross multiply
   27,151.57x = 37,470.72 × 15,218.76
4. Step 4: Simplify right side
   27,151.57x = 570,257,894.71
5. Step 5: Solve for x
   x = 570,257,894.71/27,151.57
6. Step 6: Final answer
   x = 21,002.76