Finding the Fourth Proportional to 1,182,756.69, 1,632,203.22 and 638,892.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,756.69 : 1,632,203.22 = 638,892.30 : x
2. Step 2: Convert to fraction form
   1,182,756.69/1,632,203.22 = 638,892.30/x
3. Step 3: Cross multiply
   1,182,756.69x = 1,632,203.22 × 638,892.30
4. Step 4: Simplify right side
   1,182,756.69x = 1,042,802,069,293.21
5. Step 5: Solve for x
   x = 1,042,802,069,293.21/1,182,756.69
6. Step 6: Final answer
   x = 881,670.83