Finding the Fourth Proportional to 12,930,190, 17,855,196.52 and 12,317,655.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930,190 : 17,855,196.52 = 12,317,655.04 : x
2. Step 2: Convert to fraction form
   12,930,190/17,855,196.52 = 12,317,655.04/x
3. Step 3: Cross multiply
   12,930,190x = 17,855,196.52 × 12,317,655.04
4. Step 4: Simplify right side
   12,930,190x = 219,934,151,404,768.44
5. Step 5: Solve for x
   x = 219,934,151,404,768.44/12,930,190
6. Step 6: Final answer
   x = 17,009,351.87