Finding the Fourth Proportional to 780,271, 1,076,773.98 and 422,575

Step by Step Solution

1. Step 1: Write the proportion equation
   780,271 : 1,076,773.98 = 422,575 : x
2. Step 2: Convert to fraction form
   780,271/1,076,773.98 = 422,575/x
3. Step 3: Cross multiply
   780,271x = 1,076,773.98 × 422,575
4. Step 4: Simplify right side
   780,271x = 455,017,764,598.50
5. Step 5: Solve for x
   x = 455,017,764,598.50/780,271
6. Step 6: Final answer
   x = 583,153.50