Finding the Fourth Proportional to 3,840,151.28, 5,758,298.33 and 1,280,460.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840,151.28 : 5,758,298.33 = 1,280,460.06 : x
2. Step 2: Convert to fraction form
   3,840,151.28/5,758,298.33 = 1,280,460.06/x
3. Step 3: Cross multiply
   3,840,151.28x = 5,758,298.33 × 1,280,460.06
4. Step 4: Simplify right side
   3,840,151.28x = 7,373,271,018,727.40
5. Step 5: Solve for x
   x = 7,373,271,018,727.40/3,840,151.28
6. Step 6: Final answer
   x = 1,920,047.02