Finding the Fourth Proportional to 14,045.88, 19,383.72 and 7,758.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,045.88 : 19,383.72 = 7,758.12 : x
2. Step 2: Convert to fraction form
   14,045.88/19,383.72 = 7,758.12/x
3. Step 3: Cross multiply
   14,045.88x = 19,383.72 × 7,758.12
4. Step 4: Simplify right side
   14,045.88x = 150,381,225.81
5. Step 5: Solve for x
   x = 150,381,225.81/14,045.88
6. Step 6: Final answer
   x = 10,706.43