Finding the Fourth Proportional to 1,019,411.43, 1,406,823.90 and 560,560.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,411.43 : 1,406,823.90 = 560,560.91 : x
2. Step 2: Convert to fraction form
   1,019,411.43/1,406,823.90 = 560,560.91/x
3. Step 3: Cross multiply
   1,019,411.43x = 1,406,823.90 × 560,560.91
4. Step 4: Simplify right side
   1,019,411.43x = 788,610,476,457.53
5. Step 5: Solve for x
   x = 788,610,476,457.53/1,019,411.43
6. Step 6: Final answer
   x = 773,593.92