Finding the Fourth Proportional to 948,744.84, 1,309,257.06 and 519,019.98

Step by Step Solution

1. Step 1: Write the proportion equation
   948,744.84 : 1,309,257.06 = 519,019.98 : x
2. Step 2: Convert to fraction form
   948,744.84/1,309,257.06 = 519,019.98/x
3. Step 3: Cross multiply
   948,744.84x = 1,309,257.06 × 519,019.98
4. Step 4: Simplify right side
   948,744.84x = 679,530,573,096.06
5. Step 5: Solve for x
   x = 679,530,573,096.06/948,744.84
6. Step 6: Final answer
   x = 716,241.65