Finding the Fourth Proportional to 55,125.82, 76,104.80 and 42,180.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,125.82 : 76,104.80 = 42,180.69 : x
2. Step 2: Convert to fraction form
   55,125.82/76,104.80 = 42,180.69/x
3. Step 3: Cross multiply
   55,125.82x = 76,104.80 × 42,180.69
4. Step 4: Simplify right side
   55,125.82x = 3,210,152,976.31
5. Step 5: Solve for x
   x = 3,210,152,976.31/55,125.82
6. Step 6: Final answer
   x = 58,233.20