Finding the Fourth Proportional to 2,298,892.02, 3,172,569.40 and 1,280,296.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298,892.02 : 3,172,569.40 = 1,280,296.78 : x
2. Step 2: Convert to fraction form
   2,298,892.02/3,172,569.40 = 1,280,296.78/x
3. Step 3: Cross multiply
   2,298,892.02x = 3,172,569.40 × 1,280,296.78
4. Step 4: Simplify right side
   2,298,892.02x = 4,061,830,387,146.53
5. Step 5: Solve for x
   x = 4,061,830,387,146.53/2,298,892.02
6. Step 6: Final answer
   x = 1,766,864.36