Finding the Fourth Proportional to 1,240,111.24, 1,711,241.91 and 723,909.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,111.24 : 1,711,241.91 = 723,909.94 : x
2. Step 2: Convert to fraction form
   1,240,111.24/1,711,241.91 = 723,909.94/x
3. Step 3: Cross multiply
   1,240,111.24x = 1,711,241.91 × 723,909.94
4. Step 4: Simplify right side
   1,240,111.24x = 1,238,785,028,393.59
5. Step 5: Solve for x
   x = 1,238,785,028,393.59/1,240,111.24
6. Step 6: Final answer
   x = 998,930.57