Finding the Fourth Proportional to 2,945,139.30, 4,411,488.15 and 2,945,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945,139.30 : 4,411,488.15 = 2,945,139.30 : x
2. Step 2: Convert to fraction form
   2,945,139.30/4,411,488.15 = 2,945,139.30/x
3. Step 3: Cross multiply
   2,945,139.30x = 4,411,488.15 × 2,945,139.30
4. Step 4: Simplify right side
   2,945,139.30x = 12,992,447,122,049.29
5. Step 5: Solve for x
   x = 12,992,447,122,049.29/2,945,139.30
6. Step 6: Final answer
   x = 4,411,488.15