Finding the Fourth Proportional to 1,243,255.39, 1,864,876.92 and 1,074,258.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,255.39 : 1,864,876.92 = 1,074,258.37 : x
2. Step 2: Convert to fraction form
   1,243,255.39/1,864,876.92 = 1,074,258.37/x
3. Step 3: Cross multiply
   1,243,255.39x = 1,864,876.92 × 1,074,258.37
4. Step 4: Simplify right side
   1,243,255.39x = 2,003,359,640,329.82
5. Step 5: Solve for x
   x = 2,003,359,640,329.82/1,243,255.39
6. Step 6: Final answer
   x = 1,611,382.23