Finding the Fourth Proportional to 2,303.84, 3,455.72 and 2,221.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.84 : 3,455.72 = 2,221.82 : x
2. Step 2: Convert to fraction form
   2,303.84/3,455.72 = 2,221.82/x
3. Step 3: Cross multiply
   2,303.84x = 3,455.72 × 2,221.82
4. Step 4: Simplify right side
   2,303.84x = 7,677,987.81
5. Step 5: Solve for x
   x = 7,677,987.81/2,303.84
6. Step 6: Final answer
   x = 3,332.69