Finding the Fourth Proportional to 11,856,611.89, 16,362,135.33 and 6,424,103.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856,611.89 : 16,362,135.33 = 6,424,103.89 : x
2. Step 2: Convert to fraction form
   11,856,611.89/16,362,135.33 = 6,424,103.89/x
3. Step 3: Cross multiply
   11,856,611.89x = 16,362,135.33 × 6,424,103.89
4. Step 4: Simplify right side
   11,856,611.89x = 105,112,057,222,159.42
5. Step 5: Solve for x
   x = 105,112,057,222,159.42/11,856,611.89
6. Step 6: Final answer
   x = 8,865,269.29