Finding the Fourth Proportional to 2,665,681.72, 3,674,814.69 and 1,900,406.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,681.72 : 3,674,814.69 = 1,900,406.68 : x
2. Step 2: Convert to fraction form
   2,665,681.72/3,674,814.69 = 1,900,406.68/x
3. Step 3: Cross multiply
   2,665,681.72x = 3,674,814.69 × 1,900,406.68
4. Step 4: Simplify right side
   2,665,681.72x = 6,983,642,384,638.13
5. Step 5: Solve for x
   x = 6,983,642,384,638.13/2,665,681.72
6. Step 6: Final answer
   x = 2,619,833.54