Finding the Fourth Proportional to 2,665,423.78, 3,996,933.63 and 1,317,060.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,423.78 : 3,996,933.63 = 1,317,060.70 : x
2. Step 2: Convert to fraction form
   2,665,423.78/3,996,933.63 = 1,317,060.70/x
3. Step 3: Cross multiply
   2,665,423.78x = 3,996,933.63 × 1,317,060.70
4. Step 4: Simplify right side
   2,665,423.78x = 5,264,204,204,581.34
5. Step 5: Solve for x
   x = 5,264,204,204,581.34/2,665,423.78
6. Step 6: Final answer
   x = 1,974,997.09