Finding the Fourth Proportional to 13,853.52, 19,116.72 and 7,804.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,853.52 : 19,116.72 = 7,804.26 : x
2. Step 2: Convert to fraction form
   13,853.52/19,116.72 = 7,804.26/x
3. Step 3: Cross multiply
   13,853.52x = 19,116.72 × 7,804.26
4. Step 4: Simplify right side
   13,853.52x = 149,191,853.23
5. Step 5: Solve for x
   x = 149,191,853.23/13,853.52
6. Step 6: Final answer
   x = 10,769.24