Finding the Fourth Proportional to 1,061,910.56, 1,465,429.41 and 578,476.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,910.56 : 1,465,429.41 = 578,476.05 : x
2. Step 2: Convert to fraction form
   1,061,910.56/1,465,429.41 = 578,476.05/x
3. Step 3: Cross multiply
   1,061,910.56x = 1,465,429.41 × 578,476.05
4. Step 4: Simplify right side
   1,061,910.56x = 847,715,816,650.63
5. Step 5: Solve for x
   x = 847,715,816,650.63/1,061,910.56
6. Step 6: Final answer
   x = 798,293.05