Finding the Fourth Proportional to 1,530,557.83, 2,115,082.88 and 1,147,920.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,557.83 : 2,115,082.88 = 1,147,920.31 : x
2. Step 2: Convert to fraction form
   1,530,557.83/2,115,082.88 = 1,147,920.31/x
3. Step 3: Cross multiply
   1,530,557.83x = 2,115,082.88 × 1,147,920.31
4. Step 4: Simplify right side
   1,530,557.83x = 2,427,946,595,285.29
5. Step 5: Solve for x
   x = 2,427,946,595,285.29/1,530,557.83
6. Step 6: Final answer
   x = 1,586,314.84