Finding the Fourth Proportional to 1,904,429.31, 2,857,445.30 and 1,185,372.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904,429.31 : 2,857,445.30 = 1,185,372.42 : x
2. Step 2: Convert to fraction form
   1,904,429.31/2,857,445.30 = 1,185,372.42/x
3. Step 3: Cross multiply
   1,904,429.31x = 2,857,445.30 × 1,185,372.42
4. Step 4: Simplify right side
   1,904,429.31x = 3,387,136,846,226.61
5. Step 5: Solve for x
   x = 3,387,136,846,226.61/1,904,429.31
6. Step 6: Final answer
   x = 1,778,557.40