Finding the Fourth Proportional to 976,719.50, 1,471,734.72 and 803,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   976,719.50 : 1,471,734.72 = 803,115.50 : x
2. Step 2: Convert to fraction form
   976,719.50/1,471,734.72 = 803,115.50/x
3. Step 3: Cross multiply
   976,719.50x = 1,471,734.72 × 803,115.50
4. Step 4: Simplify right side
   976,719.50x = 1,181,972,965,520.16
5. Step 5: Solve for x
   x = 1,181,972,965,520.16/976,719.50
6. Step 6: Final answer
   x = 1,210,145.76