Finding the Fourth Proportional to 706,659.86, 1,059,854.59 and 274,377.34

Step by Step Solution

1. Step 1: Write the proportion equation
   706,659.86 : 1,059,854.59 = 274,377.34 : x
2. Step 2: Convert to fraction form
   706,659.86/1,059,854.59 = 274,377.34/x
3. Step 3: Cross multiply
   706,659.86x = 1,059,854.59 × 274,377.34
4. Step 4: Simplify right side
   706,659.86x = 290,800,084,858.78
5. Step 5: Solve for x
   x = 290,800,084,858.78/706,659.86
6. Step 6: Final answer
   x = 411,513.52