Finding the Fourth Proportional to 12,687,488.02, 17,508,752.67 and 6,886,271.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,687,488.02 : 17,508,752.67 = 6,886,271.86 : x
2. Step 2: Convert to fraction form
   12,687,488.02/17,508,752.67 = 6,886,271.86/x
3. Step 3: Cross multiply
   12,687,488.02x = 17,508,752.67 × 6,886,271.86
4. Step 4: Simplify right side
   12,687,488.02x = 120,570,030,815,120.89
5. Step 5: Solve for x
   x = 120,570,030,815,120.89/12,687,488.02
6. Step 6: Final answer
   x = 9,503,065.59