Finding the Fourth Proportional to 1,428,546.42, 2,142,795.98 and 575,597.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,546.42 : 2,142,795.98 = 575,597.24 : x
2. Step 2: Convert to fraction form
   1,428,546.42/2,142,795.98 = 575,597.24/x
3. Step 3: Cross multiply
   1,428,546.42x = 2,142,795.98 × 575,597.24
4. Step 4: Simplify right side
   1,428,546.42x = 1,233,387,451,971.10
5. Step 5: Solve for x
   x = 1,233,387,451,971.10/1,428,546.42
6. Step 6: Final answer
   x = 863,386.33