Finding the Fourth Proportional to 2,499.60, 3,450.42 and 2,237.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.60 : 3,450.42 = 2,237.16 : x
2. Step 2: Convert to fraction form
   2,499.60/3,450.42 = 2,237.16/x
3. Step 3: Cross multiply
   2,499.60x = 3,450.42 × 2,237.16
4. Step 4: Simplify right side
   2,499.60x = 7,719,141.61
5. Step 5: Solve for x
   x = 7,719,141.61/2,499.60
6. Step 6: Final answer
   x = 3,088.15