Finding the Fourth Proportional to 55,124.82, 76,103.42 and 42,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,124.82 : 76,103.42 = 42,179.69 : x
2. Step 2: Convert to fraction form
   55,124.82/76,103.42 = 42,179.69/x
3. Step 3: Cross multiply
   55,124.82x = 76,103.42 × 42,179.69
4. Step 4: Simplify right side
   55,124.82x = 3,210,018,642.90
5. Step 5: Solve for x
   x = 3,210,018,642.90/55,124.82
6. Step 6: Final answer
   x = 58,231.82