Finding the Fourth Proportional to 1,658,582.02, 2,487,870.91 and 521,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,582.02 : 2,487,870.91 = 521,443.47 : x
2. Step 2: Convert to fraction form
   1,658,582.02/2,487,870.91 = 521,443.47/x
3. Step 3: Cross multiply
   1,658,582.02x = 2,487,870.91 × 521,443.47
4. Step 4: Simplify right side
   1,658,582.02x = 1,297,284,047,270.66
5. Step 5: Solve for x
   x = 1,297,284,047,270.66/1,658,582.02
6. Step 6: Final answer
   x = 782,164.54