Finding the Fourth Proportional to 780,112, 1,076,561.04 and 422,416

Step by Step Solution

1. Step 1: Write the proportion equation
   780,112 : 1,076,561.04 = 422,416 : x
2. Step 2: Convert to fraction form
   780,112/1,076,561.04 = 422,416/x
3. Step 3: Cross multiply
   780,112x = 1,076,561.04 × 422,416
4. Step 4: Simplify right side
   780,112x = 454,756,608,272.64
5. Step 5: Solve for x
   x = 454,756,608,272.64/780,112
6. Step 6: Final answer
   x = 582,937.59