Finding the Fourth Proportional to 12,076,960.20, 18,117,773.10 and 3,557,574.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,076,960.20 : 18,117,773.10 = 3,557,574.60 : x
2. Step 2: Convert to fraction form
   12,076,960.20/18,117,773.10 = 3,557,574.60/x
3. Step 3: Cross multiply
   12,076,960.20x = 18,117,773.10 × 3,557,574.60
4. Step 4: Simplify right side
   12,076,960.20x = 64,455,329,389,123.27
5. Step 5: Solve for x
   x = 64,455,329,389,123.27/12,076,960.20
6. Step 6: Final answer
   x = 5,337,049.09