Finding the Fourth Proportional to 4,841,617.89, 7,260,729.49 and 1,428,993.93

Step by Step Solution

1. Step 1: Write the proportion equation
   4,841,617.89 : 7,260,729.49 = 1,428,993.93 : x
2. Step 2: Convert to fraction form
   4,841,617.89/7,260,729.49 = 1,428,993.93/x
3. Step 3: Cross multiply
   4,841,617.89x = 7,260,729.49 × 1,428,993.93
4. Step 4: Simplify right side
   4,841,617.89x = 10,375,538,389,557.88
5. Step 5: Solve for x
   x = 10,375,538,389,557.88/4,841,617.89
6. Step 6: Final answer
   x = 2,142,989.93