Finding the Fourth Proportional to 776,111.98, 1,164,168.27 and 349,149.08

Step by Step Solution

1. Step 1: Write the proportion equation
   776,111.98 : 1,164,168.27 = 349,149.08 : x
2. Step 2: Convert to fraction form
   776,111.98/1,164,168.27 = 349,149.08/x
3. Step 3: Cross multiply
   776,111.98x = 1,164,168.27 × 349,149.08
4. Step 4: Simplify right side
   776,111.98x = 406,468,280,435.69
5. Step 5: Solve for x
   x = 406,468,280,435.69/776,111.98
6. Step 6: Final answer
   x = 523,723.75