Finding the Fourth Proportional to 7,436,439.50, 10,262,056.16 and 4,128,662.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,436,439.50 : 10,262,056.16 = 4,128,662.12 : x
2. Step 2: Convert to fraction form
   7,436,439.50/10,262,056.16 = 4,128,662.12/x
3. Step 3: Cross multiply
   7,436,439.50x = 10,262,056.16 × 4,128,662.12
4. Step 4: Simplify right side
   7,436,439.50x = 42,368,562,541,104.66
5. Step 5: Solve for x
   x = 42,368,562,541,104.66/7,436,439.50
6. Step 6: Final answer
   x = 5,697,425.84