Finding the Fourth Proportional to 1,132,558.37, 1,699,131.59 and 422,591.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,558.37 : 1,699,131.59 = 422,591.75 : x
2. Step 2: Convert to fraction form
   1,132,558.37/1,699,131.59 = 422,591.75/x
3. Step 3: Cross multiply
   1,132,558.37x = 1,699,131.59 × 422,591.75
4. Step 4: Simplify right side
   1,132,558.37x = 718,038,989,985.42
5. Step 5: Solve for x
   x = 718,038,989,985.42/1,132,558.37
6. Step 6: Final answer
   x = 633,997.34