Finding the Fourth Proportional to 10,698.31, 14,754.70 and 8,015.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,698.31 : 14,754.70 = 8,015.83 : x
2. Step 2: Convert to fraction form
   10,698.31/14,754.70 = 8,015.83/x
3. Step 3: Cross multiply
   10,698.31x = 14,754.70 × 8,015.83
4. Step 4: Simplify right side
   10,698.31x = 118,271,166.90
5. Step 5: Solve for x
   x = 118,271,166.90/10,698.31
6. Step 6: Final answer
   x = 11,055.13