Finding the Fourth Proportional to 10,424.76, 15,619.86 and 7,498.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.76 : 15,619.86 = 7,498.68 : x
2. Step 2: Convert to fraction form
   10,424.76/15,619.86 = 7,498.68/x
3. Step 3: Cross multiply
   10,424.76x = 15,619.86 × 7,498.68
4. Step 4: Simplify right side
   10,424.76x = 117,128,331.78
5. Step 5: Solve for x
   x = 117,128,331.78/10,424.76
6. Step 6: Final answer
   x = 11,235.59