Finding the Fourth Proportional to 745,101.15, 1,117,818.38 and 271,786.51

Step by Step Solution

1. Step 1: Write the proportion equation
   745,101.15 : 1,117,818.38 = 271,786.51 : x
2. Step 2: Convert to fraction form
   745,101.15/1,117,818.38 = 271,786.51/x
3. Step 3: Cross multiply
   745,101.15x = 1,117,818.38 × 271,786.51
4. Step 4: Simplify right side
   745,101.15x = 303,807,960,005.86
5. Step 5: Solve for x
   x = 303,807,960,005.86/745,101.15
6. Step 6: Final answer
   x = 407,740.56