Finding the Fourth Proportional to 10,378.82, 14,326.89 and 7,020.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,378.82 : 14,326.89 = 7,020.02 : x
2. Step 2: Convert to fraction form
   10,378.82/14,326.89 = 7,020.02/x
3. Step 3: Cross multiply
   10,378.82x = 14,326.89 × 7,020.02
4. Step 4: Simplify right side
   10,378.82x = 100,575,054.34
5. Step 5: Solve for x
   x = 100,575,054.34/10,378.82
6. Step 6: Final answer
   x = 9,690.41