Finding the Fourth Proportional to 10,870.33, 14,995.71 and 7,091.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.33 : 14,995.71 = 7,091.75 : x
2. Step 2: Convert to fraction form
   10,870.33/14,995.71 = 7,091.75/x
3. Step 3: Cross multiply
   10,870.33x = 14,995.71 × 7,091.75
4. Step 4: Simplify right side
   10,870.33x = 106,345,826.39
5. Step 5: Solve for x
   x = 106,345,826.39/10,870.33
6. Step 6: Final answer
   x = 9,783.13