Finding the Fourth Proportional to 822,075.30, 1,231,946.55 and 607,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   822,075.30 : 1,231,946.55 = 607,166.10 : x
2. Step 2: Convert to fraction form
   822,075.30/1,231,946.55 = 607,166.10/x
3. Step 3: Cross multiply
   822,075.30x = 1,231,946.55 × 607,166.10
4. Step 4: Simplify right side
   822,075.30x = 747,996,182,171.96
5. Step 5: Solve for x
   x = 747,996,182,171.96/822,075.30
6. Step 6: Final answer
   x = 909,887.67