Finding the Fourth Proportional to 249,923.27, 374,846.38 and 81,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   249,923.27 : 374,846.38 = 81,443.16 : x
2. Step 2: Convert to fraction form
   249,923.27/374,846.38 = 81,443.16/x
3. Step 3: Cross multiply
   249,923.27x = 374,846.38 × 81,443.16
4. Step 4: Simplify right side
   249,923.27x = 30,528,673,498.15
5. Step 5: Solve for x
   x = 30,528,673,498.15/249,923.27
6. Step 6: Final answer
   x = 122,152.19