Finding the Fourth Proportional to 549,131.07, 823,611.94 and 149,804.31

Step by Step Solution

1. Step 1: Write the proportion equation
   549,131.07 : 823,611.94 = 149,804.31 : x
2. Step 2: Convert to fraction form
   549,131.07/823,611.94 = 149,804.31/x
3. Step 3: Cross multiply
   549,131.07x = 823,611.94 × 149,804.31
4. Step 4: Simplify right side
   549,131.07x = 123,380,618,379.46
5. Step 5: Solve for x
   x = 123,380,618,379.46/549,131.07
6. Step 6: Final answer
   x = 224,683.37