Finding the Fourth Proportional to 30,887,820.38, 42,625,075.12 and 16,949,408.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,887,820.38 : 42,625,075.12 = 16,949,408.69 : x
2. Step 2: Convert to fraction form
   30,887,820.38/42,625,075.12 = 16,949,408.69/x
3. Step 3: Cross multiply
   30,887,820.38x = 42,625,075.12 × 16,949,408.69
4. Step 4: Simplify right side
   30,887,820.38x = 722,469,818,715,019.88
5. Step 5: Solve for x
   x = 722,469,818,715,019.88/30,887,820.38
6. Step 6: Final answer
   x = 23,390,119.79