Finding the Fourth Proportional to 763,914.24, 1,140,264 and 707,616

Step by Step Solution

1. Step 1: Write the proportion equation
   763,914.24 : 1,140,264 = 707,616 : x
2. Step 2: Convert to fraction form
   763,914.24/1,140,264 = 707,616/x
3. Step 3: Cross multiply
   763,914.24x = 1,140,264 × 707,616
4. Step 4: Simplify right side
   763,914.24x = 806,869,050,624
5. Step 5: Solve for x
   x = 806,869,050,624/763,914.24
6. Step 6: Final answer
   x = 1,056,229.89