Finding the Fourth Proportional to 2,072,906.64, 2,860,493.13 and 1,142,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,906.64 : 2,860,493.13 = 1,142,429.76 : x
2. Step 2: Convert to fraction form
   2,072,906.64/2,860,493.13 = 1,142,429.76/x
3. Step 3: Cross multiply
   2,072,906.64x = 2,860,493.13 × 1,142,429.76
4. Step 4: Simplify right side
   2,072,906.64x = 3,267,912,479,987.55
5. Step 5: Solve for x
   x = 3,267,912,479,987.55/2,072,906.64
6. Step 6: Final answer
   x = 1,576,488.02