Finding the Fourth Proportional to 2,288,111.70, 3,432,167.55 and 2,172,638.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,111.70 : 3,432,167.55 = 2,172,638.10 : x
2. Step 2: Convert to fraction form
   2,288,111.70/3,432,167.55 = 2,172,638.10/x
3. Step 3: Cross multiply
   2,288,111.70x = 3,432,167.55 × 2,172,638.10
4. Step 4: Simplify right side
   2,288,111.70x = 7,456,857,984,713.66
5. Step 5: Solve for x
   x = 7,456,857,984,713.66/2,288,111.70
6. Step 6: Final answer
   x = 3,258,957.15