Finding the Fourth Proportional to 1,530,922.89, 2,112,536.34 and 886,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,922.89 : 2,112,536.34 = 886,386.72 : x
2. Step 2: Convert to fraction form
   1,530,922.89/2,112,536.34 = 886,386.72/x
3. Step 3: Cross multiply
   1,530,922.89x = 2,112,536.34 × 886,386.72
4. Step 4: Simplify right side
   1,530,922.89x = 1,872,524,157,293.40
5. Step 5: Solve for x
   x = 1,872,524,157,293.40/1,530,922.89
6. Step 6: Final answer
   x = 1,223,134.21