Finding the Fourth Proportional to 10,671.84, 14,742.08 and 10,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,671.84 : 14,742.08 = 10,111.36 : x
2. Step 2: Convert to fraction form
   10,671.84/14,742.08 = 10,111.36/x
3. Step 3: Cross multiply
   10,671.84x = 14,742.08 × 10,111.36
4. Step 4: Simplify right side
   10,671.84x = 149,062,478.03
5. Step 5: Solve for x
   x = 149,062,478.03/10,671.84
6. Step 6: Final answer
   x = 13,967.83