Finding the Fourth Proportional to 54,978.28, 75,870.18 and 29,827.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,978.28 : 75,870.18 = 29,827.72 : x
2. Step 2: Convert to fraction form
   54,978.28/75,870.18 = 29,827.72/x
3. Step 3: Cross multiply
   54,978.28x = 75,870.18 × 29,827.72
4. Step 4: Simplify right side
   54,978.28x = 2,263,034,485.39
5. Step 5: Solve for x
   x = 2,263,034,485.39/54,978.28
6. Step 6: Final answer
   x = 41,162.34