Finding the Fourth Proportional to 705,773.31, 1,058,657.88 and 200,334.72

Step by Step Solution

1. Step 1: Write the proportion equation
   705,773.31 : 1,058,657.88 = 200,334.72 : x
2. Step 2: Convert to fraction form
   705,773.31/1,058,657.88 = 200,334.72/x
3. Step 3: Cross multiply
   705,773.31x = 1,058,657.88 × 200,334.72
4. Step 4: Simplify right side
   705,773.31x = 212,085,926,317.28
5. Step 5: Solve for x
   x = 212,085,926,317.28/705,773.31
6. Step 6: Final answer
   x = 300,501.48