Finding the Fourth Proportional to 10,003.95, 14,990.09 and 5,322.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.95 : 14,990.09 = 5,322.69 : x
2. Step 2: Convert to fraction form
   10,003.95/14,990.09 = 5,322.69/x
3. Step 3: Cross multiply
   10,003.95x = 14,990.09 × 5,322.69
4. Step 4: Simplify right side
   10,003.95x = 79,787,602.14
5. Step 5: Solve for x
   x = 79,787,602.14/10,003.95
6. Step 6: Final answer
   x = 7,975.61