Finding the Fourth Proportional to 2,758,527.31, 4,137,814.02 and 961,407.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758,527.31 : 4,137,814.02 = 961,407.87 : x
2. Step 2: Convert to fraction form
   2,758,527.31/4,137,814.02 = 961,407.87/x
3. Step 3: Cross multiply
   2,758,527.31x = 4,137,814.02 × 961,407.87
4. Step 4: Simplify right side
   2,758,527.31x = 3,978,126,958,617.30
5. Step 5: Solve for x
   x = 3,978,126,958,617.30/2,758,527.31
6. Step 6: Final answer
   x = 1,442,119.84