Finding the Fourth Proportional to 11,286,728.02, 16,925,939.20 and 3,898,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,286,728.02 : 16,925,939.20 = 3,898,895.50 : x
2. Step 2: Convert to fraction form
   11,286,728.02/16,925,939.20 = 3,898,895.50/x
3. Step 3: Cross multiply
   11,286,728.02x = 16,925,939.20 × 3,898,895.50
4. Step 4: Simplify right side
   11,286,728.02x = 65,992,468,076,029.43
5. Step 5: Solve for x
   x = 65,992,468,076,029.43/11,286,728.02
6. Step 6: Final answer
   x = 5,846,908.69