Finding the Fourth Proportional to 12,998,196.06, 19,503,932.85 and 8,683,196.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,998,196.06 : 19,503,932.85 = 8,683,196.46 : x
2. Step 2: Convert to fraction form
   12,998,196.06/19,503,932.85 = 8,683,196.46/x
3. Step 3: Cross multiply
   12,998,196.06x = 19,503,932.85 × 8,683,196.46
4. Step 4: Simplify right side
   12,998,196.06x = 169,356,480,679,197.75
5. Step 5: Solve for x
   x = 169,356,480,679,197.75/12,998,196.06
6. Step 6: Final answer
   x = 13,029,229.59