Finding the Fourth Proportional to 2,499.60, 3,750.48 and 1,976.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.60 : 3,750.48 = 1,976.16 : x
2. Step 2: Convert to fraction form
   2,499.60/3,750.48 = 1,976.16/x
3. Step 3: Cross multiply
   2,499.60x = 3,750.48 × 1,976.16
4. Step 4: Simplify right side
   2,499.60x = 7,411,548.56
5. Step 5: Solve for x
   x = 7,411,548.56/2,499.60
6. Step 6: Final answer
   x = 2,965.09