Finding the Fourth Proportional to 2,477.52, 3,710.88 and 1,899.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.52 : 3,710.88 = 1,899.72 : x
2. Step 2: Convert to fraction form
   2,477.52/3,710.88 = 1,899.72/x
3. Step 3: Cross multiply
   2,477.52x = 3,710.88 × 1,899.72
4. Step 4: Simplify right side
   2,477.52x = 7,049,632.95
5. Step 5: Solve for x
   x = 7,049,632.95/2,477.52
6. Step 6: Final answer
   x = 2,845.44