Finding the Fourth Proportional to 2,521.54, 3,479.73 and 1,402.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.54 : 3,479.73 = 1,402.45 : x
2. Step 2: Convert to fraction form
   2,521.54/3,479.73 = 1,402.45/x
3. Step 3: Cross multiply
   2,521.54x = 3,479.73 × 1,402.45
4. Step 4: Simplify right side
   2,521.54x = 4,880,147.34
5. Step 5: Solve for x
   x = 4,880,147.34/2,521.54
6. Step 6: Final answer
   x = 1,935.38