Finding the Fourth Proportional to 13,131,469.32, 19,697,922.42 and 5,455,890.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,131,469.32 : 19,697,922.42 = 5,455,890.38 : x
2. Step 2: Convert to fraction form
   13,131,469.32/19,697,922.42 = 5,455,890.38/x
3. Step 3: Cross multiply
   13,131,469.32x = 19,697,922.42 × 5,455,890.38
4. Step 4: Simplify right side
   13,131,469.32x = 107,469,705,338,774.72
5. Step 5: Solve for x
   x = 107,469,705,338,774.72/13,131,469.32
6. Step 6: Final answer
   x = 8,184,134.06