Finding the Fourth Proportional to 3,921,667.62, 5,864,442.24 and 3,730,348.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921,667.62 : 5,864,442.24 = 3,730,348.86 : x
2. Step 2: Convert to fraction form
   3,921,667.62/5,864,442.24 = 3,730,348.86/x
3. Step 3: Cross multiply
   3,921,667.62x = 5,864,442.24 × 3,730,348.86
4. Step 4: Simplify right side
   3,921,667.62x = 21,876,415,424,519.85
5. Step 5: Solve for x
   x = 21,876,415,424,519.85/3,921,667.62
6. Step 6: Final answer
   x = 5,578,345.12