Finding the Fourth Proportional to 13,012.27, 19,517.79 and 9,051.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.27 : 19,517.79 = 9,051.82 : x
2. Step 2: Convert to fraction form
   13,012.27/19,517.79 = 9,051.82/x
3. Step 3: Cross multiply
   13,012.27x = 19,517.79 × 9,051.82
4. Step 4: Simplify right side
   13,012.27x = 176,671,521.88
5. Step 5: Solve for x
   x = 176,671,521.88/13,012.27
6. Step 6: Final answer
   x = 13,577.30