Finding the Fourth Proportional to 1,530,556.83, 2,115,081.50 and 1,147,919.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,556.83 : 2,115,081.50 = 1,147,919.31 : x
2. Step 2: Convert to fraction form
   1,530,556.83/2,115,081.50 = 1,147,919.31/x
3. Step 3: Cross multiply
   1,530,556.83x = 2,115,081.50 × 1,147,919.31
4. Step 4: Simplify right side
   1,530,556.83x = 2,427,942,896,073.77
5. Step 5: Solve for x
   x = 2,427,942,896,073.77/1,530,556.83
6. Step 6: Final answer
   x = 1,586,313.46