Finding the Fourth Proportional to 1,018,865.76, 1,406,049.31 and 560,022.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,865.76 : 1,406,049.31 = 560,022.77 : x
2. Step 2: Convert to fraction form
   1,018,865.76/1,406,049.31 = 560,022.77/x
3. Step 3: Cross multiply
   1,018,865.76x = 1,406,049.31 × 560,022.77
4. Step 4: Simplify right side
   1,018,865.76x = 787,419,627,227.72
5. Step 5: Solve for x
   x = 787,419,627,227.72/1,018,865.76
6. Step 6: Final answer
   x = 772,839.42