Finding the Fourth Proportional to 103,258.66, 154,870.98 and 33,128.86

Step by Step Solution

1. Step 1: Write the proportion equation
   103,258.66 : 154,870.98 = 33,128.86 : x
2. Step 2: Convert to fraction form
   103,258.66/154,870.98 = 33,128.86/x
3. Step 3: Cross multiply
   103,258.66x = 154,870.98 × 33,128.86
4. Step 4: Simplify right side
   103,258.66x = 5,130,699,014.48
5. Step 5: Solve for x
   x = 5,130,699,014.48/103,258.66
6. Step 6: Final answer
   x = 49,687.83