Finding the Fourth Proportional to 1,258,111.31, 1,736,131.93 and 714,174.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,111.31 : 1,736,131.93 = 714,174.37 : x
2. Step 2: Convert to fraction form
   1,258,111.31/1,736,131.93 = 714,174.37/x
3. Step 3: Cross multiply
   1,258,111.31x = 1,736,131.93 × 714,174.37
4. Step 4: Simplify right side
   1,258,111.31x = 1,239,900,921,218.87
5. Step 5: Solve for x
   x = 1,239,900,921,218.87/1,258,111.31
6. Step 6: Final answer
   x = 985,525.62