Finding the Fourth Proportional to 16,272,576.45, 24,408,865.89 and 12,681,031.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272,576.45 : 24,408,865.89 = 12,681,031.59 : x
2. Step 2: Convert to fraction form
   16,272,576.45/24,408,865.89 = 12,681,031.59/x
3. Step 3: Cross multiply
   16,272,576.45x = 24,408,865.89 × 12,681,031.59
4. Step 4: Simplify right side
   16,272,576.45x = 309,529,599,427,163.50
5. Step 5: Solve for x
   x = 309,529,599,427,163.50/16,272,576.45
6. Step 6: Final answer
   x = 19,021,548.33