Finding the Fourth Proportional to 54,171.86, 74,751.12 and 30,298.05

Step by Step Solution

1. Step 1: Write the proportion equation
   54,171.86 : 74,751.12 = 30,298.05 : x
2. Step 2: Convert to fraction form
   54,171.86/74,751.12 = 30,298.05/x
3. Step 3: Cross multiply
   54,171.86x = 74,751.12 × 30,298.05
4. Step 4: Simplify right side
   54,171.86x = 2,264,813,171.32
5. Step 5: Solve for x
   x = 2,264,813,171.32/54,171.86
6. Step 6: Final answer
   x = 41,807.93