Finding the Fourth Proportional to 2,490,108.18, 3,429,113.47 and 2,163,271.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,108.18 : 3,429,113.47 = 2,163,271.96 : x
2. Step 2: Convert to fraction form
   2,490,108.18/3,429,113.47 = 2,163,271.96/x
3. Step 3: Cross multiply
   2,490,108.18x = 3,429,113.47 × 2,163,271.96
4. Step 4: Simplify right side
   2,490,108.18x = 7,418,105,016,187.51
5. Step 5: Solve for x
   x = 7,418,105,016,187.51/2,490,108.18
6. Step 6: Final answer
   x = 2,979,029.22