Finding the Fourth Proportional to 1,648,485.30, 2,473,019.55 and 584,145.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,485.30 : 2,473,019.55 = 584,145.30 : x
2. Step 2: Convert to fraction form
   1,648,485.30/2,473,019.55 = 584,145.30/x
3. Step 3: Cross multiply
   1,648,485.30x = 2,473,019.55 × 584,145.30
4. Step 4: Simplify right side
   1,648,485.30x = 1,444,602,746,940.62
5. Step 5: Solve for x
   x = 1,444,602,746,940.62/1,648,485.30
6. Step 6: Final answer
   x = 876,321.28