Finding the Fourth Proportional to 12,994.98, 17,933.00 and 7,888.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.98 : 17,933.00 = 7,888.71 : x
2. Step 2: Convert to fraction form
   12,994.98/17,933.00 = 7,888.71/x
3. Step 3: Cross multiply
   12,994.98x = 17,933.00 × 7,888.71
4. Step 4: Simplify right side
   12,994.98x = 141,468,280.36
5. Step 5: Solve for x
   x = 141,468,280.36/12,994.98
6. Step 6: Final answer
   x = 10,886.38