Finding the Fourth Proportional to 2,320.84, 3,498.61 and 2,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.84 : 3,498.61 = 2,123.82 : x
2. Step 2: Convert to fraction form
   2,320.84/3,498.61 = 2,123.82/x
3. Step 3: Cross multiply
   2,320.84x = 3,498.61 × 2,123.82
4. Step 4: Simplify right side
   2,320.84x = 7,430,417.89
5. Step 5: Solve for x
   x = 7,430,417.89/2,320.84
6. Step 6: Final answer
   x = 3,201.61