Finding the Fourth Proportional to 1,345,016, 1,856,131.18 and 801,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,016 : 1,856,131.18 = 801,174.72 : x
2. Step 2: Convert to fraction form
   1,345,016/1,856,131.18 = 801,174.72/x
3. Step 3: Cross multiply
   1,345,016x = 1,856,131.18 × 801,174.72
4. Step 4: Simplify right side
   1,345,016x = 1,487,085,378,419.77
5. Step 5: Solve for x
   x = 1,487,085,378,419.77/1,345,016
6. Step 6: Final answer
   x = 1,105,626.53