Finding the Fourth Proportional to 1,315,178.25, 1,814,945.99 and 711,566.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,178.25 : 1,814,945.99 = 711,566.25 : x
2. Step 2: Convert to fraction form
   1,315,178.25/1,814,945.99 = 711,566.25/x
3. Step 3: Cross multiply
   1,315,178.25x = 1,814,945.99 × 711,566.25
4. Step 4: Simplify right side
   1,315,178.25x = 1,291,454,308,499.01
5. Step 5: Solve for x
   x = 1,291,454,308,499.01/1,315,178.25
6. Step 6: Final answer
   x = 981,961.43