Finding the Fourth Proportional to 907,688.82, 1,361,681.00 and 268,057.25

Step by Step Solution

1. Step 1: Write the proportion equation
   907,688.82 : 1,361,681.00 = 268,057.25 : x
2. Step 2: Convert to fraction form
   907,688.82/1,361,681.00 = 268,057.25/x
3. Step 3: Cross multiply
   907,688.82x = 1,361,681.00 × 268,057.25
4. Step 4: Simplify right side
   907,688.82x = 365,008,456,088.56
5. Step 5: Solve for x
   x = 365,008,456,088.56/907,688.82
6. Step 6: Final answer
   x = 402,129.51