Finding the Fourth Proportional to 10,017.31, 14,994.54 and 6,878.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.31 : 14,994.54 = 6,878.98 : x
2. Step 2: Convert to fraction form
   10,017.31/14,994.54 = 6,878.98/x
3. Step 3: Cross multiply
   10,017.31x = 14,994.54 × 6,878.98
4. Step 4: Simplify right side
   10,017.31x = 103,147,140.77
5. Step 5: Solve for x
   x = 103,147,140.77/10,017.31
6. Step 6: Final answer
   x = 10,296.89