Finding the Fourth Proportional to 4,172,244.72, 6,257,355.59 and 1,139,624.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,172,244.72 : 6,257,355.59 = 1,139,624.78 : x
2. Step 2: Convert to fraction form
   4,172,244.72/6,257,355.59 = 1,139,624.78/x
3. Step 3: Cross multiply
   4,172,244.72x = 6,257,355.59 × 1,139,624.78
4. Step 4: Simplify right side
   4,172,244.72x = 7,131,037,450,650.62
5. Step 5: Solve for x
   x = 7,131,037,450,650.62/4,172,244.72
6. Step 6: Final answer
   x = 1,709,160.88