Finding the Fourth Proportional to 2,538.31, 3,502.87 and 1,404.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.31 : 3,502.87 = 1,404.01 : x
2. Step 2: Convert to fraction form
   2,538.31/3,502.87 = 1,404.01/x
3. Step 3: Cross multiply
   2,538.31x = 3,502.87 × 1,404.01
4. Step 4: Simplify right side
   2,538.31x = 4,918,064.51
5. Step 5: Solve for x
   x = 4,918,064.51/2,538.31
6. Step 6: Final answer
   x = 1,937.54