Finding the Fourth Proportional to 2,521.93, 3,480.10 and 1,402.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.93 : 3,480.10 = 1,402.82 : x
2. Step 2: Convert to fraction form
   2,521.93/3,480.10 = 1,402.82/x
3. Step 3: Cross multiply
   2,521.93x = 3,480.10 × 1,402.82
4. Step 4: Simplify right side
   2,521.93x = 4,881,953.88
5. Step 5: Solve for x
   x = 4,881,953.88/2,521.93
6. Step 6: Final answer
   x = 1,935.80