Finding the Fourth Proportional to 13,093,542.64, 19,640,315.49 and 3,995,687.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093,542.64 : 19,640,315.49 = 3,995,687.91 : x
2. Step 2: Convert to fraction form
   13,093,542.64/19,640,315.49 = 3,995,687.91/x
3. Step 3: Cross multiply
   13,093,542.64x = 19,640,315.49 × 3,995,687.91
4. Step 4: Simplify right side
   13,093,542.64x = 78,476,571,151,978.72
5. Step 5: Solve for x
   x = 78,476,571,151,978.72/13,093,542.64
6. Step 6: Final answer
   x = 5,993,532.33