Finding the Fourth Proportional to 7,085.98, 10,670.13 and 5,250.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.98 : 10,670.13 = 5,250.10 : x
2. Step 2: Convert to fraction form
   7,085.98/10,670.13 = 5,250.10/x
3. Step 3: Cross multiply
   7,085.98x = 10,670.13 × 5,250.10
4. Step 4: Simplify right side
   7,085.98x = 56,019,249.51
5. Step 5: Solve for x
   x = 56,019,249.51/7,085.98
6. Step 6: Final answer
   x = 7,905.65