Finding the Fourth Proportional to 3,123,025.20, 4,308,112.98 and 1,899,704.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,025.20 : 4,308,112.98 = 1,899,704.88 : x
2. Step 2: Convert to fraction form
   3,123,025.20/4,308,112.98 = 1,899,704.88/x
3. Step 3: Cross multiply
   3,123,025.20x = 4,308,112.98 × 1,899,704.88
4. Step 4: Simplify right side
   3,123,025.20x = 8,184,143,251,697.34
5. Step 5: Solve for x
   x = 8,184,143,251,697.34/3,123,025.20
6. Step 6: Final answer
   x = 2,620,581.88