Finding the Fourth Proportional to 1,061,636.63, 1,465,075.25 and 578,201.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,636.63 : 1,465,075.25 = 578,201.39 : x
2. Step 2: Convert to fraction form
   1,061,636.63/1,465,075.25 = 578,201.39/x
3. Step 3: Cross multiply
   1,061,636.63x = 1,465,075.25 × 578,201.39
4. Step 4: Simplify right side
   1,061,636.63x = 847,108,543,450.50
5. Step 5: Solve for x
   x = 847,108,543,450.50/1,061,636.63
6. Step 6: Final answer
   x = 797,927.02