Finding the Fourth Proportional to 10,116.98, 13,955.41 and 7,875.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.98 : 13,955.41 = 7,875.30 : x
2. Step 2: Convert to fraction form
   10,116.98/13,955.41 = 7,875.30/x
3. Step 3: Cross multiply
   10,116.98x = 13,955.41 × 7,875.30
4. Step 4: Simplify right side
   10,116.98x = 109,903,020.68
5. Step 5: Solve for x
   x = 109,903,020.68/10,116.98
6. Step 6: Final answer
   x = 10,863.23