Finding the Fourth Proportional to 13,484,462.10, 20,229,317.55 and 3,900,153.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,484,462.10 : 20,229,317.55 = 3,900,153.30 : x
2. Step 2: Convert to fraction form
   13,484,462.10/20,229,317.55 = 3,900,153.30/x
3. Step 3: Cross multiply
   13,484,462.10x = 20,229,317.55 × 3,900,153.30
4. Step 4: Simplify right side
   13,484,462.10x = 78,897,439,599,380.42
5. Step 5: Solve for x
   x = 78,897,439,599,380.42/13,484,462.10
6. Step 6: Final answer
   x = 5,850,989.01