Finding the Fourth Proportional to 2,475.50, 3,710 and 1,380.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.50 : 3,710 = 1,380.38 : x
2. Step 2: Convert to fraction form
   2,475.50/3,710 = 1,380.38/x
3. Step 3: Cross multiply
   2,475.50x = 3,710 × 1,380.38
4. Step 4: Simplify right side
   2,475.50x = 5,121,209.80
5. Step 5: Solve for x
   x = 5,121,209.80/2,475.50
6. Step 6: Final answer
   x = 2,068.76