Finding the Fourth Proportional to 1,016,682.89, 1,401,872.00 and 648,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,682.89 : 1,401,872.00 = 648,667.58 : x
2. Step 2: Convert to fraction form
   1,016,682.89/1,401,872.00 = 648,667.58/x
3. Step 3: Cross multiply
   1,016,682.89x = 1,401,872.00 × 648,667.58
4. Step 4: Simplify right side
   1,016,682.89x = 909,348,907,457.06
5. Step 5: Solve for x
   x = 909,348,907,457.06/1,016,682.89
6. Step 6: Final answer
   x = 894,427.28