Finding the Fourth Proportional to 2,298,885.23, 3,172,560.05 and 1,280,289.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,885.23 : 3,172,560.05 = 1,280,289.98 : x
2. Step 2: Convert to fraction form
   2,298,885.23/3,172,560.05 = 1,280,289.98/x
3. Step 3: Cross multiply
   2,298,885.23x = 3,172,560.05 × 1,280,289.98
4. Step 4: Simplify right side
   2,298,885.23x = 4,061,796,842,963.30
5. Step 5: Solve for x
   x = 4,061,796,842,963.30/2,298,885.23
6. Step 6: Final answer
   x = 1,766,854.99