Finding the Fourth Proportional to 2,298,873.05, 3,172,543.22 and 1,280,277.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,873.05 : 3,172,543.22 = 1,280,277.80 : x
2. Step 2: Convert to fraction form
   2,298,873.05/3,172,543.22 = 1,280,277.80/x
3. Step 3: Cross multiply
   2,298,873.05x = 3,172,543.22 × 1,280,277.80
4. Step 4: Simplify right side
   2,298,873.05x = 4,061,736,654,106.52
5. Step 5: Solve for x
   x = 4,061,736,654,106.52/2,298,873.05
6. Step 6: Final answer
   x = 1,766,838.17