Finding the Fourth Proportional to 12,659,196.48, 17,479,703.52 and 11,691,939.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,659,196.48 : 17,479,703.52 = 11,691,939.84 : x
2. Step 2: Convert to fraction form
   12,659,196.48/17,479,703.52 = 11,691,939.84/x
3. Step 3: Cross multiply
   12,659,196.48x = 17,479,703.52 × 11,691,939.84
4. Step 4: Simplify right side
   12,659,196.48x = 204,371,641,976,876.22
5. Step 5: Solve for x
   x = 204,371,641,976,876.22/12,659,196.48
6. Step 6: Final answer
   x = 16,144,124.34