Finding the Fourth Proportional to 6,144,256.74, 8,479,555.23 and 3,391,490.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144,256.74 : 8,479,555.23 = 3,391,490.78 : x
2. Step 2: Convert to fraction form
   6,144,256.74/8,479,555.23 = 3,391,490.78/x
3. Step 3: Cross multiply
   6,144,256.74x = 8,479,555.23 × 3,391,490.78
4. Step 4: Simplify right side
   6,144,256.74x = 28,758,333,338,648.00
5. Step 5: Solve for x
   x = 28,758,333,338,648.00/6,144,256.74
6. Step 6: Final answer
   x = 4,680,522.73