Finding the Fourth Proportional to 4,002,100.72, 5,522,892.63 and 2,166,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002,100.72 : 5,522,892.63 = 2,166,558.50 : x
2. Step 2: Convert to fraction form
   4,002,100.72/5,522,892.63 = 2,166,558.50/x
3. Step 3: Cross multiply
   4,002,100.72x = 5,522,892.63 × 2,166,558.50
4. Step 4: Simplify right side
   4,002,100.72x = 11,965,669,972,113.86
5. Step 5: Solve for x
   x = 11,965,669,972,113.86/4,002,100.72
6. Step 6: Final answer
   x = 2,989,847.29