Finding the Fourth Proportional to 103,870.50, 155,831.67 and 29,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,870.50 : 155,831.67 = 29,998.50 : x
2. Step 2: Convert to fraction form
   103,870.50/155,831.67 = 29,998.50/x
3. Step 3: Cross multiply
   103,870.50x = 155,831.67 × 29,998.50
4. Step 4: Simplify right side
   103,870.50x = 4,674,716,352.50
5. Step 5: Solve for x
   x = 4,674,716,352.50/103,870.50
6. Step 6: Final answer
   x = 45,005.24