Finding the Fourth Proportional to 31,076,563.16, 42,912,736.26 and 19,494,036.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,076,563.16 : 42,912,736.26 = 19,494,036.20 : x
2. Step 2: Convert to fraction form
   31,076,563.16/42,912,736.26 = 19,494,036.20/x
3. Step 3: Cross multiply
   31,076,563.16x = 42,912,736.26 × 19,494,036.20
4. Step 4: Simplify right side
   31,076,563.16x = 836,542,434,093,492.50
5. Step 5: Solve for x
   x = 836,542,434,093,492.50/31,076,563.16
6. Step 6: Final answer
   x = 26,918,756.42