Finding the Fourth Proportional to 1,353,088.59, 2,028,165.76 and 677,541.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,088.59 : 2,028,165.76 = 677,541.30 : x
2. Step 2: Convert to fraction form
   1,353,088.59/2,028,165.76 = 677,541.30/x
3. Step 3: Cross multiply
   1,353,088.59x = 2,028,165.76 × 677,541.30
4. Step 4: Simplify right side
   1,353,088.59x = 1,374,166,065,645.89
5. Step 5: Solve for x
   x = 1,374,166,065,645.89/1,353,088.59
6. Step 6: Final answer
   x = 1,015,577.31