Finding the Fourth Proportional to 749,066.56, 1,123,711.72 and 275,715.92

Step by Step Solution

1. Step 1: Write the proportion equation
   749,066.56 : 1,123,711.72 = 275,715.92 : x
2. Step 2: Convert to fraction form
   749,066.56/1,123,711.72 = 275,715.92/x
3. Step 3: Cross multiply
   749,066.56x = 1,123,711.72 × 275,715.92
4. Step 4: Simplify right side
   749,066.56x = 309,825,212,814.57
5. Step 5: Solve for x
   x = 309,825,212,814.57/749,066.56
6. Step 6: Final answer
   x = 413,615.06