Finding the Fourth Proportional to 1,056,942.90, 1,585,467.72 and 298,838.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,942.90 : 1,585,467.72 = 298,838.82 : x
2. Step 2: Convert to fraction form
   1,056,942.90/1,585,467.72 = 298,838.82/x
3. Step 3: Cross multiply
   1,056,942.90x = 1,585,467.72 × 298,838.82
4. Step 4: Simplify right side
   1,056,942.90x = 473,799,302,592.89
5. Step 5: Solve for x
   x = 473,799,302,592.89/1,056,942.90
6. Step 6: Final answer
   x = 448,273.32