Finding the Fourth Proportional to 12,686,665.24, 17,507,724.06 and 6,885,498.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686,665.24 : 17,507,724.06 = 6,885,498.52 : x
2. Step 2: Convert to fraction form
   12,686,665.24/17,507,724.06 = 6,885,498.52/x
3. Step 3: Cross multiply
   12,686,665.24x = 17,507,724.06 × 6,885,498.52
4. Step 4: Simplify right side
   12,686,665.24x = 120,549,408,103,698.38
5. Step 5: Solve for x
   x = 120,549,408,103,698.38/12,686,665.24
6. Step 6: Final answer
   x = 9,502,056.36