Finding the Fourth Proportional to 10,671.46, 16,015.56 and 7,407.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,671.46 : 16,015.56 = 7,407.52 : x
2. Step 2: Convert to fraction form
   10,671.46/16,015.56 = 7,407.52/x
3. Step 3: Cross multiply
   10,671.46x = 16,015.56 × 7,407.52
4. Step 4: Simplify right side
   10,671.46x = 118,635,581.01
5. Step 5: Solve for x
   x = 118,635,581.01/10,671.46
6. Step 6: Final answer
   x = 11,117.09