Finding the Fourth Proportional to 2,538.06, 3,502.80 and 1,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.06 : 3,502.80 = 1,490.10 : x
2. Step 2: Convert to fraction form
   2,538.06/3,502.80 = 1,490.10/x
3. Step 3: Cross multiply
   2,538.06x = 3,502.80 × 1,490.10
4. Step 4: Simplify right side
   2,538.06x = 5,219,522.28
5. Step 5: Solve for x
   x = 5,219,522.28/2,538.06
6. Step 6: Final answer
   x = 2,056.50