Finding the Fourth Proportional to 7,003.12, 10,499.01 and 2,619.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.12 : 10,499.01 = 2,619.94 : x
2. Step 2: Convert to fraction form
   7,003.12/10,499.01 = 2,619.94/x
3. Step 3: Cross multiply
   7,003.12x = 10,499.01 × 2,619.94
4. Step 4: Simplify right side
   7,003.12x = 27,506,776.26
5. Step 5: Solve for x
   x = 27,506,776.26/7,003.12
6. Step 6: Final answer
   x = 3,927.79