Finding the Fourth Proportional to 941,086.77, 1,298,707.53 and 511,366.91

Step by Step Solution

1. Step 1: Write the proportion equation
   941,086.77 : 1,298,707.53 = 511,366.91 : x
2. Step 2: Convert to fraction form
   941,086.77/1,298,707.53 = 511,366.91/x
3. Step 3: Cross multiply
   941,086.77x = 1,298,707.53 × 511,366.91
4. Step 4: Simplify right side
   941,086.77x = 664,116,050,116.30
5. Step 5: Solve for x
   x = 664,116,050,116.30/941,086.77
6. Step 6: Final answer
   x = 705,690.56