Finding the Fourth Proportional to 2,298,917.81, 3,172,605.00 and 1,280,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,917.81 : 3,172,605.00 = 1,280,322.56 : x
2. Step 2: Convert to fraction form
   2,298,917.81/3,172,605.00 = 1,280,322.56/x
3. Step 3: Cross multiply
   2,298,917.81x = 3,172,605.00 × 1,280,322.56
4. Step 4: Simplify right side
   2,298,917.81x = 4,061,957,758,599.10
5. Step 5: Solve for x
   x = 4,061,957,758,599.10/2,298,917.81
6. Step 6: Final answer
   x = 1,766,899.95