Finding the Fourth Proportional to 1,035,150.55, 1,551,802.37 and 403,917.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035,150.55 : 1,551,802.37 = 403,917.55 : x
2. Step 2: Convert to fraction form
   1,035,150.55/1,551,802.37 = 403,917.55/x
3. Step 3: Cross multiply
   1,035,150.55x = 1,551,802.37 × 403,917.55
4. Step 4: Simplify right side
   1,035,150.55x = 626,800,209,355.01
5. Step 5: Solve for x
   x = 626,800,209,355.01/1,035,150.55
6. Step 6: Final answer
   x = 605,515.99