Finding the Fourth Proportional to 13,735,499.10, 20,612,579.85 and 7,670,219.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,735,499.10 : 20,612,579.85 = 7,670,219.10 : x
2. Step 2: Convert to fraction form
   13,735,499.10/20,612,579.85 = 7,670,219.10/x
3. Step 3: Cross multiply
   13,735,499.10x = 20,612,579.85 × 7,670,219.10
4. Step 4: Simplify right side
   13,735,499.10x = 158,103,003,665,745.12
5. Step 5: Solve for x
   x = 158,103,003,665,745.12/13,735,499.10
6. Step 6: Final answer
   x = 11,510,539.41