Finding the Fourth Proportional to 2,665,681.47, 3,674,814.30 and 1,900,406.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,681.47 : 3,674,814.30 = 1,900,406.43 : x
2. Step 2: Convert to fraction form
   2,665,681.47/3,674,814.30 = 1,900,406.43/x
3. Step 3: Cross multiply
   2,665,681.47x = 3,674,814.30 × 1,900,406.43
4. Step 4: Simplify right side
   2,665,681.47x = 6,983,640,724,775.95
5. Step 5: Solve for x
   x = 6,983,640,724,775.95/2,665,681.47
6. Step 6: Final answer
   x = 2,619,833.17