Finding the Fourth Proportional to 16,404,772.89, 24,584,056.41 and 12,551,678.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404,772.89 : 24,584,056.41 = 12,551,678.02 : x
2. Step 2: Convert to fraction form
   16,404,772.89/24,584,056.41 = 12,551,678.02/x
3. Step 3: Cross multiply
   16,404,772.89x = 24,584,056.41 × 12,551,678.02
4. Step 4: Simplify right side
   16,404,772.89x = 308,571,160,445,911.38
5. Step 5: Solve for x
   x = 308,571,160,445,911.38/16,404,772.89
6. Step 6: Final answer
   x = 18,809,840.44