Finding the Fourth Proportional to 1,686,885.30, 2,530,911.15 and 1,628,565.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,885.30 : 2,530,911.15 = 1,628,565.30 : x
2. Step 2: Convert to fraction form
   1,686,885.30/2,530,911.15 = 1,628,565.30/x
3. Step 3: Cross multiply
   1,686,885.30x = 2,530,911.15 × 1,628,565.30
4. Step 4: Simplify right side
   1,686,885.30x = 4,121,754,076,273.10
5. Step 5: Solve for x
   x = 4,121,754,076,273.10/1,686,885.30
6. Step 6: Final answer
   x = 2,443,410.99