Finding the Fourth Proportional to 3,015,938.10, 4,212,865.50 and 3,015,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,015,938.10 : 4,212,865.50 = 3,015,938.10 : x
2. Step 2: Convert to fraction form
   3,015,938.10/4,212,865.50 = 3,015,938.10/x
3. Step 3: Cross multiply
   3,015,938.10x = 4,212,865.50 × 3,015,938.10
4. Step 4: Simplify right side
   3,015,938.10x = 12,705,741,571,625.55
5. Step 5: Solve for x
   x = 12,705,741,571,625.55/3,015,938.10
6. Step 6: Final answer
   x = 4,212,865.50