Finding the Fourth Proportional to 3,367,490.69, 5,051,279.81 and 1,123,628.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,367,490.69 : 5,051,279.81 = 1,123,628.69 : x
2. Step 2: Convert to fraction form
   3,367,490.69/5,051,279.81 = 1,123,628.69/x
3. Step 3: Cross multiply
   3,367,490.69x = 5,051,279.81 × 1,123,628.69
4. Step 4: Simplify right side
   3,367,490.69x = 5,675,762,915,733.75
5. Step 5: Solve for x
   x = 5,675,762,915,733.75/3,367,490.69
6. Step 6: Final answer
   x = 1,685,457.64