Finding the Fourth Proportional to 2,477.91, 3,417.54 and 2,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.91 : 3,417.54 = 2,106.12 : x
2. Step 2: Convert to fraction form
   2,477.91/3,417.54 = 2,106.12/x
3. Step 3: Cross multiply
   2,477.91x = 3,417.54 × 2,106.12
4. Step 4: Simplify right side
   2,477.91x = 7,197,749.34
5. Step 5: Solve for x
   x = 7,197,749.34/2,477.91
6. Step 6: Final answer
   x = 2,904.77