Finding the Fourth Proportional to 958,817.39, 1,323,242.69 and 551,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   958,817.39 : 1,323,242.69 = 551,061.50 : x
2. Step 2: Convert to fraction form
   958,817.39/1,323,242.69 = 551,061.50/x
3. Step 3: Cross multiply
   958,817.39x = 1,323,242.69 × 551,061.50
4. Step 4: Simplify right side
   958,817.39x = 729,188,092,243.91
5. Step 5: Solve for x
   x = 729,188,092,243.91/958,817.39
6. Step 6: Final answer
   x = 760,507.79