Finding the Fourth Proportional to 13,926.35, 19,111.80 and 13,827.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,926.35 : 19,111.80 = 13,827.94 : x
2. Step 2: Convert to fraction form
   13,926.35/19,111.80 = 13,827.94/x
3. Step 3: Cross multiply
   13,926.35x = 19,111.80 × 13,827.94
4. Step 4: Simplify right side
   13,926.35x = 264,276,823.69
5. Step 5: Solve for x
   x = 264,276,823.69/13,926.35
6. Step 6: Final answer
   x = 18,976.75