Finding the Fourth Proportional to 54,978.72, 75,870.77 and 29,828.22

Step by Step Solution

1. Step 1: Write the proportion equation
   54,978.72 : 75,870.77 = 29,828.22 : x
2. Step 2: Convert to fraction form
   54,978.72/75,870.77 = 29,828.22/x
3. Step 3: Cross multiply
   54,978.72x = 75,870.77 × 29,828.22
4. Step 4: Simplify right side
   54,978.72x = 2,263,090,019.13
5. Step 5: Solve for x
   x = 2,263,090,019.13/54,978.72
6. Step 6: Final answer
   x = 41,163.02