Finding the Fourth Proportional to 2,598.51, 3,898.94 and 1,412.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.51 : 3,898.94 = 1,412.91 : x
2. Step 2: Convert to fraction form
   2,598.51/3,898.94 = 1,412.91/x
3. Step 3: Cross multiply
   2,598.51x = 3,898.94 × 1,412.91
4. Step 4: Simplify right side
   2,598.51x = 5,508,844.25
5. Step 5: Solve for x
   x = 5,508,844.25/2,598.51
6. Step 6: Final answer
   x = 2,120.00