Finding the Fourth Proportional to 12,603,082.41, 18,910,796.42 and 4,516,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603,082.41 : 18,910,796.42 = 4,516,682.72 : x
2. Step 2: Convert to fraction form
   12,603,082.41/18,910,796.42 = 4,516,682.72/x
3. Step 3: Cross multiply
   12,603,082.41x = 18,910,796.42 × 4,516,682.72
4. Step 4: Simplify right side
   12,603,082.41x = 85,414,067,328,389.58
5. Step 5: Solve for x
   x = 85,414,067,328,389.58/12,603,082.41
6. Step 6: Final answer
   x = 6,777,236.28