Finding the Fourth Proportional to 12,833,662.72, 19,259,903.04 and 10,339,432.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833,662.72 : 19,259,903.04 = 10,339,432.96 : x
2. Step 2: Convert to fraction form
   12,833,662.72/19,259,903.04 = 10,339,432.96/x
3. Step 3: Cross multiply
   12,833,662.72x = 19,259,903.04 × 10,339,432.96
4. Step 4: Simplify right side
   12,833,662.72x = 199,136,476,298,180.22
5. Step 5: Solve for x
   x = 199,136,476,298,180.22/12,833,662.72
6. Step 6: Final answer
   x = 15,516,729.76