Finding the Fourth Proportional to 3,778,505.61, 5,659,450.64 and 3,122,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,505.61 : 5,659,450.64 = 3,122,648.72 : x
2. Step 2: Convert to fraction form
   3,778,505.61/5,659,450.64 = 3,122,648.72/x
3. Step 3: Cross multiply
   3,778,505.61x = 5,659,450.64 × 3,122,648.72
4. Step 4: Simplify right side
   3,778,505.61x = 17,672,476,296,899.18
5. Step 5: Solve for x
   x = 17,672,476,296,899.18/3,778,505.61
6. Step 6: Final answer
   x = 4,677,107.33