Finding the Fourth Proportional to 1,061,564.69, 1,464,949.08 and 578,137.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,564.69 : 1,464,949.08 = 578,137.91 : x
2. Step 2: Convert to fraction form
   1,061,564.69/1,464,949.08 = 578,137.91/x
3. Step 3: Cross multiply
   1,061,564.69x = 1,464,949.08 × 578,137.91
4. Step 4: Simplify right side
   1,061,564.69x = 846,942,593,910.82
5. Step 5: Solve for x
   x = 846,942,593,910.82/1,061,564.69
6. Step 6: Final answer
   x = 797,824.76