Finding the Fourth Proportional to 13,888.02, 19,164.27 and 7,838.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,888.02 : 19,164.27 = 7,838.94 : x
2. Step 2: Convert to fraction form
   13,888.02/19,164.27 = 7,838.94/x
3. Step 3: Cross multiply
   13,888.02x = 19,164.27 × 7,838.94
4. Step 4: Simplify right side
   13,888.02x = 150,227,562.67
5. Step 5: Solve for x
   x = 150,227,562.67/13,888.02
6. Step 6: Final answer
   x = 10,817.06