Finding the Fourth Proportional to 1,243,340.67, 1,865,004.89 and 1,074,346.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,340.67 : 1,865,004.89 = 1,074,346.71 : x
2. Step 2: Convert to fraction form
   1,243,340.67/1,865,004.89 = 1,074,346.71/x
3. Step 3: Cross multiply
   1,243,340.67x = 1,865,004.89 × 1,074,346.71
4. Step 4: Simplify right side
   1,243,340.67x = 2,003,661,862,333.68
5. Step 5: Solve for x
   x = 2,003,661,862,333.68/1,243,340.67
6. Step 6: Final answer
   x = 1,611,514.78