Finding the Fourth Proportional to 2,477.49, 3,715.05 and 1,437.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.49 : 3,715.05 = 1,437.80 : x
2. Step 2: Convert to fraction form
   2,477.49/3,715.05 = 1,437.80/x
3. Step 3: Cross multiply
   2,477.49x = 3,715.05 × 1,437.80
4. Step 4: Simplify right side
   2,477.49x = 5,341,498.52
5. Step 5: Solve for x
   x = 5,341,498.52/2,477.49
6. Step 6: Final answer
   x = 2,156.02