Finding the Fourth Proportional to 55,288.94, 76,300.37 and 31,416.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,288.94 : 76,300.37 = 31,416.62 : x
2. Step 2: Convert to fraction form
   55,288.94/76,300.37 = 31,416.62/x
3. Step 3: Cross multiply
   55,288.94x = 76,300.37 × 31,416.62
4. Step 4: Simplify right side
   55,288.94x = 2,397,099,763.82
5. Step 5: Solve for x
   x = 2,397,099,763.82/55,288.94
6. Step 6: Final answer
   x = 43,355.86