Finding the Fourth Proportional to 370,111.23, 555,129.50 and 250,933.41

Step by Step Solution

1. Step 1: Write the proportion equation
   370,111.23 : 555,129.50 = 250,933.41 : x
2. Step 2: Convert to fraction form
   370,111.23/555,129.50 = 250,933.41/x
3. Step 3: Cross multiply
   370,111.23x = 555,129.50 × 250,933.41
4. Step 4: Simplify right side
   370,111.23x = 139,300,537,171.93
5. Step 5: Solve for x
   x = 139,300,537,171.93/370,111.23
6. Step 6: Final answer
   x = 376,374.79