Finding the Fourth Proportional to 13,853.35, 19,117.37 and 7,803.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,853.35 : 19,117.37 = 7,803.61 : x
2. Step 2: Convert to fraction form
   13,853.35/19,117.37 = 7,803.61/x
3. Step 3: Cross multiply
   13,853.35x = 19,117.37 × 7,803.61
4. Step 4: Simplify right side
   13,853.35x = 149,184,460.69
5. Step 5: Solve for x
   x = 149,184,460.69/13,853.35
6. Step 6: Final answer
   x = 10,768.84