Finding the Fourth Proportional to 5,394,346.89, 8,078,594.15 and 3,931,472.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,394,346.89 : 8,078,594.15 = 3,931,472.51 : x
2. Step 2: Convert to fraction form
   5,394,346.89/8,078,594.15 = 3,931,472.51/x
3. Step 3: Cross multiply
   5,394,346.89x = 8,078,594.15 × 3,931,472.51
4. Step 4: Simplify right side
   5,394,346.89x = 31,760,770,850,196.98
5. Step 5: Solve for x
   x = 31,760,770,850,196.98/5,394,346.89
6. Step 6: Final answer
   x = 5,887,787.99