Finding the Fourth Proportional to 14,002.98, 21,006.52 and 5,118.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,002.98 : 21,006.52 = 5,118.76 : x
2. Step 2: Convert to fraction form
   14,002.98/21,006.52 = 5,118.76/x
3. Step 3: Cross multiply
   14,002.98x = 21,006.52 × 5,118.76
4. Step 4: Simplify right side
   14,002.98x = 107,527,334.32
5. Step 5: Solve for x
   x = 107,527,334.32/14,002.98
6. Step 6: Final answer
   x = 7,678.89