Finding the Fourth Proportional to 1,016,693.76, 1,401,887.00 and 648,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,693.76 : 1,401,887.00 = 648,678.50 : x
2. Step 2: Convert to fraction form
   1,016,693.76/1,401,887.00 = 648,678.50/x
3. Step 3: Cross multiply
   1,016,693.76x = 1,401,887.00 × 648,678.50
4. Step 4: Simplify right side
   1,016,693.76x = 909,373,946,076.67
5. Step 5: Solve for x
   x = 909,373,946,076.67/1,016,693.76
6. Step 6: Final answer
   x = 894,442.34