Finding the Fourth Proportional to 2,000,021.76, 2,757,155.76 and 1,426,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,021.76 : 2,757,155.76 = 1,426,066.56 : x
2. Step 2: Convert to fraction form
   2,000,021.76/2,757,155.76 = 1,426,066.56/x
3. Step 3: Cross multiply
   2,000,021.76x = 2,757,155.76 × 1,426,066.56
4. Step 4: Simplify right side
   2,000,021.76x = 3,931,887,630,047.39
5. Step 5: Solve for x
   x = 3,931,887,630,047.39/2,000,021.76
6. Step 6: Final answer
   x = 1,965,922.43