Finding the Fourth Proportional to 3,735,379.52, 5,189,624.24 and 3,690,589.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,735,379.52 : 5,189,624.24 = 3,690,589.76 : x
2. Step 2: Convert to fraction form
   3,735,379.52/5,189,624.24 = 3,690,589.76/x
3. Step 3: Cross multiply
   3,735,379.52x = 5,189,624.24 × 3,690,589.76
4. Step 4: Simplify right side
   3,735,379.52x = 19,152,774,078,391.78
5. Step 5: Solve for x
   x = 19,152,774,078,391.78/3,735,379.52
6. Step 6: Final answer
   x = 5,127,397.09