Finding the Fourth Proportional to 1,555,488.86, 2,146,640.82 and 867,160.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,488.86 : 2,146,640.82 = 867,160.58 : x
2. Step 2: Convert to fraction form
   1,555,488.86/2,146,640.82 = 867,160.58/x
3. Step 3: Cross multiply
   1,555,488.86x = 2,146,640.82 × 867,160.58
4. Step 4: Simplify right side
   1,555,488.86x = 1,861,482,298,522.88
5. Step 5: Solve for x
   x = 1,861,482,298,522.88/1,555,488.86
6. Step 6: Final answer
   x = 1,196,718.50