Finding the Fourth Proportional to 15,716.76, 23,581.54 and 10,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,716.76 : 23,581.54 = 10,100.72 : x
2. Step 2: Convert to fraction form
   15,716.76/23,581.54 = 10,100.72/x
3. Step 3: Cross multiply
   15,716.76x = 23,581.54 × 10,100.72
4. Step 4: Simplify right side
   15,716.76x = 238,190,532.71
5. Step 5: Solve for x
   x = 238,190,532.71/15,716.76
6. Step 6: Final answer
   x = 15,155.19