Finding the Fourth Proportional to 2,897,743.30, 4,065,238.70 and 2,897,743.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897,743.30 : 4,065,238.70 = 2,897,743.30 : x
2. Step 2: Convert to fraction form
   2,897,743.30/4,065,238.70 = 2,897,743.30/x
3. Step 3: Cross multiply
   2,897,743.30x = 4,065,238.70 × 2,897,743.30
4. Step 4: Simplify right side
   2,897,743.30x = 11,780,018,205,825.71
5. Step 5: Solve for x
   x = 11,780,018,205,825.71/2,897,743.30
6. Step 6: Final answer
   x = 4,065,238.70