Finding the Fourth Proportional to 1,555,429.94, 2,146,502.23 and 867,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,429.94 : 2,146,502.23 = 867,145.50 : x
2. Step 2: Convert to fraction form
   1,555,429.94/2,146,502.23 = 867,145.50/x
3. Step 3: Cross multiply
   1,555,429.94x = 2,146,502.23 × 867,145.50
4. Step 4: Simplify right side
   1,555,429.94x = 1,861,329,747,316.60
5. Step 5: Solve for x
   x = 1,861,329,747,316.60/1,555,429.94
6. Step 6: Final answer
   x = 1,196,665.76