Finding the Fourth Proportional to 55,465.86, 76,542.69 and 30,315.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,465.86 : 76,542.69 = 30,315.34 : x
2. Step 2: Convert to fraction form
   55,465.86/76,542.69 = 30,315.34/x
3. Step 3: Cross multiply
   55,465.86x = 76,542.69 × 30,315.34
4. Step 4: Simplify right side
   55,465.86x = 2,320,417,671.86
5. Step 5: Solve for x
   x = 2,320,417,671.86/55,465.86
6. Step 6: Final answer
   x = 41,835.06