Finding the Fourth Proportional to 1,054,088.82, 1,580,564.61 and 547,399.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054,088.82 : 1,580,564.61 = 547,399.80 : x
2. Step 2: Convert to fraction form
   1,054,088.82/1,580,564.61 = 547,399.80/x
3. Step 3: Cross multiply
   1,054,088.82x = 1,580,564.61 × 547,399.80
4. Step 4: Simplify right side
   1,054,088.82x = 865,200,751,401.08
5. Step 5: Solve for x
   x = 865,200,751,401.08/1,054,088.82
6. Step 6: Final answer
   x = 820,804.41