Finding the Fourth Proportional to 705,774.31, 1,058,659.37 and 200,335.72

Step by Step Solution

1. Step 1: Write the proportion equation
   705,774.31 : 1,058,659.37 = 200,335.72 : x
2. Step 2: Convert to fraction form
   705,774.31/1,058,659.37 = 200,335.72/x
3. Step 3: Cross multiply
   705,774.31x = 1,058,659.37 × 200,335.72
4. Step 4: Simplify right side
   705,774.31x = 212,087,287,123.70
5. Step 5: Solve for x
   x = 212,087,287,123.70/705,774.31
6. Step 6: Final answer
   x = 300,502.99