Finding the Fourth Proportional to 736,777.31, 1,105,162.32 and 636,632.76

Step by Step Solution

1. Step 1: Write the proportion equation
   736,777.31 : 1,105,162.32 = 636,632.76 : x
2. Step 2: Convert to fraction form
   736,777.31/1,105,162.32 = 636,632.76/x
3. Step 3: Cross multiply
   736,777.31x = 1,105,162.32 × 636,632.76
4. Step 4: Simplify right side
   736,777.31x = 703,582,538,029.60
5. Step 5: Solve for x
   x = 703,582,538,029.60/736,777.31
6. Step 6: Final answer
   x = 954,945.99