Finding the Fourth Proportional to 2,215.02, 3,322.61 and 753.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.02 : 3,322.61 = 753.99 : x
2. Step 2: Convert to fraction form
   2,215.02/3,322.61 = 753.99/x
3. Step 3: Cross multiply
   2,215.02x = 3,322.61 × 753.99
4. Step 4: Simplify right side
   2,215.02x = 2,505,214.71
5. Step 5: Solve for x
   x = 2,505,214.71/2,215.02
6. Step 6: Final answer
   x = 1,131.01