Finding the Fourth Proportional to 13,016.16, 17,953.92 and 10,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.16 : 17,953.92 = 10,026.72 : x
2. Step 2: Convert to fraction form
   13,016.16/17,953.92 = 10,026.72/x
3. Step 3: Cross multiply
   13,016.16x = 17,953.92 × 10,026.72
4. Step 4: Simplify right side
   13,016.16x = 180,018,928.74
5. Step 5: Solve for x
   x = 180,018,928.74/13,016.16
6. Step 6: Final answer
   x = 13,830.42